Master Lock 510D Lock with Adjustable Shackle, 1-3/4-inch , Silver

Removable adjustable-length shackle from 5/8-inch to 2-inch provides maximum application flexibility.

MasterLock

Item #: 58096239

Master Lock 510D Lock with Adjustable Shackle, 1-3/4-inch , Silver

Item #: 58096239

BHD 6

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Monday, August 17

Secured transaction

Our Top Logistics Partners

Removable adjustable-length shackle from 5/8-inch to 2-inch provides maximum application flexibility.

U-Care Warranty:

None

Select a Plan

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Adjustable Shackle

The adjustable shackle allows for versatile usage, accommodating various locking needs and enhancing security across multiple applications.

Durable Construction

Built with a strong silver finish, this lock is designed to resist rust and corrosion, ensuring long-lasting durability in various environments for reliable use.

Compact Size

At 1-3/4-inch, it's compact yet robust, making it easy to carry and ideal for securing lockers, gates, and luggage without adding bulk.

Product Details

Manufactured in the United States by MASTER LOCK
Shackle length adjusts from 5/8-inch to 2-inch for maximum application flexibility
Warded locking mechanism minimizes jamming from dirt and grime
Removable adjustable shackles provide a snug fit to the locked item
1-3/4-inch wide laminated steel lock with strong cut resistance
Duplicate keys not available for secure key control

Brand Name	Master Lock
Recommended Uses For Product	Security
Number of Pieces	1
Included Components	Unit^Instruction Guide
Model Number	510D
UPC	071649387203
Model Name	510D
Global Trade Identification Number	00071649387203
Manufacturer	Master Lock
Unit Count	1.0 Count
Manufacturer Part Number	510D
Item Type Name	Master Lock 510D Lock with Adjustable Shackle, 1-3/4-inch , Silver
Additional Features	Resettable
Lock Type	Key
Controller Type	Hand Control
Control Method	App
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Removable
Color	Silver
Shape	Rectangular
Material Type	Plastic
Finish Types	Laminated
Item Dimensions	5.56 x 3.5 x 1.33 inches (14.1 x 8.9 x 3.4 cm)
Item Weight	8.16 ounces (231.34 grams)
Brand	Master Lock
Special Feature	Resettable
Item dimensions L x W x H	5.56 x 3.5 x 1.33 inches (14.1 x 8.9 x 3.4 cm)
Material	Plastic

Who Should Buy?

Frequent Travelers
Ideal for securing luggage or travel gear with its portability and adjustable shackle for different size requirements.
Outdoor Enthusiasts
Perfect for locking up bicycles, camping gear, or storage units in varied locations due to its weather-resistant design.
General Home Use
Suitable for securing sheds, gates, or lockers thanks to its durable construction and reliable locking mechanism.

High-Security Needs
Not suitable for environments requiring advanced security measures as it lacks features like a high-security pin tumbler.

Product Description

Master Lock 510D Lock with Adjustable Shackle, 1-3/4-inch , Silver

Have any Query? Chat with us

Product Buying Guide

The Master Lock 510D Lock with Adjustable Shackle is a versatile and reliable padlock designed to provide maximum security and flexibility. With its adjustable shackle length and warded locking mechanism, this lock is perfect for a variety of applications. In this buying guide, we will explore the product specifications, key features, usage scenarios, competitors, user reviews, price analysis, and buying considerations to help you make an informed decision. Continue Reading

Customer Questions & Answers

Question: What is the purpose of the adjustable shackle on the Master Lock 510D?

Answer: The adjustable shackle on the Master Lock 510D enhances its versatility, allowing you to customize the length of the shackle to fit various needs. This feature makes it ideal for securing different items, such as lockers, gates, and storage units, by accommodating varying thicknesses. Whether you're using it for outdoor or indoor applications, the adjustable shackle ensures a snug fit and heightened security, preventing unauthorized access.
Question: How secure is the Master Lock 510D Lock?

Answer: The Master Lock 510D provides robust security through its durable design and high-quality materials. Built with a strong, zinc-plated steel body and a hardened steel shackle, it resists cutting and sawing. The combination of these features makes it suitable for both personal and commercial use, securing valuables or belongings against theft. Users praise its reliability for locking up bikes, sheds, and storage lockers, giving you peace of mind.
Question: Can the Master Lock 510D be used outdoors?

Answer: Yes, the Master Lock 510D is designed to withstand outdoor conditions due to its weather-resistant materials. The protective coating ensures that it can endure elements such as rain, snow, and UV exposure without rusting or deteriorating. This durability makes it perfect for securing outdoor storage sheds, fences, or bikes. Users frequently choose it for outdoor applications, knowing it remains functional and secure regardless of the weather.
Question: What sizes of items can be secured with this lock?

Answer: The adjustable feature of the Master Lock 510D allows it to secure a variety of items, accommodating thicknesses up to 1-3/4 inches. This range makes it versatile for use on everything from gym lockers to shed doors and bike chains. The ability to adjust the shackle length means you can easily switch between securing different items, making it a convenient choice for users with multiple security needs.
Question: Is the Master Lock 510D lock easy to operate?

Answer: Yes, the Master Lock 510D is designed for straightforward operation. The simple mechanism allows you to easily adjust the shackle to the required length and securely lock it in place. This ease of use is ideal for individuals who may be in a hurry or prefer a hassle-free locking experience, such as students using it for lockers or professionals securing equipment in a storage facility.
Question: What materials are used in the construction of the Master Lock 510D?

Answer: The Master Lock 510D is constructed from high-quality steel, featuring a zinc-plated finish that enhances its resistance to corrosion. The combination of these materials creates a sturdy lock, perfect for both indoor and outdoor usage. Users appreciate the robust construction, specifically noting its effectiveness in protecting belongings, be it powerful enough to deter thieves or resilient against wear and tear.
Question: Is the lock suitable for school lockers?

Answer: Absolutely, the Master Lock 510D is an excellent choice for school lockers due to its adjustable shackle and reliable security features. Its design allows it to fit a wide variety of locker types and sizes, ensuring a secure closure. Students frequently choose it for its durability and ease of use, making it an ideal companion for securing belongings during classes or gym sessions.
Question: What is the weight of the Master Lock 510D?

Answer: The Master Lock 510D weighs approximately 0.66 pounds. This lightweight design makes it portable and convenient for everyday use without compromising on security. Users often appreciate how easy it is to carry around for securing bikes or removing it from lockers as needed, balancing the need for security with mobility.
Question: Can I set my own combination for the lock?

Answer: The Master Lock 510D uses a traditional key system instead of a combination mechanism. This means you'll use a physical key for locking and unlocking rather than setting a combination. This feature simplifies access for users who may prefer keys over combinations, making it seamless for quick usage, such as when frequently accessing secured items like tools or bicycles.
Question: Where can I buy Master Lock 510D Lock with Adjustable Shackle, 1-34-inch, Silver in Bahrain?

Answer: You can purchase the Master Lock 510D Lock with Adjustable Shackle at Ubuy. This platform offers a reliable option for acquiring the lock, ensuring a seamless shopping experience. Ubuy provides various shipping options and typically has the product readily available, making it a convenient choice for customers in Bahrain looking to secure their possessions effectively.

MasterLock Keyed Padlocks 510D Editorial Review

The Master Lock 510D Lock with Adjustable Shackle is a durable and sturdy lock, perfect for outdoor use. However, some customers have had difficulty with the design of the adjustable shackle, finding it cumbersome and difficult to use. Additionally, one customer experienced an issue where the shackle came completely off the lock and got locked up-side-down, resulting in the need to cut the lock. Overall, this lock seems to work well for some customers, but others may prefer alternative lock options.

Customer Reviews & Ratings

5.0

1 customers ratings

5 Star

100%
4 Star

0%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

Pros

Durable and sturdy
2 keys included in pack of 4 locks
Adjustable shackle for custom fit

Cons

Some customers find the adjustable shackle difficult to use

Platform Trust & Buyer Confidence

4.6/5 148 reviews

Read reviews

Maryam

Verified buyer

“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot

trusttaker

Verified buyer

“I loved it. That was my second order, and I am already thinking of placing a third order.”

16-Jul-26 · via Trustpilot

Haitham

Verified buyer

“Trusted merchant”

11 July 2026 · via Trustpilot

Mohammad

Verified buyer

“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied , thank you”

13 June 2026 · via Trustpilot

Lulwa

Verified buyer

“I like the package arrived safely”

17 June 2026 · via Trustpilot

Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

BHD 6

Order now and get it around Monday, August 17

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Features & Benefits

Adjustable-length shackle provides flexibility
Strong cut resistance with Steel shackle
Warded locking mechanism minimizes jamming
1-3/4-inch wide laminated steel lock
Measure your door's backset, cross bore and thickness
Duplicate keys not available

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Platform Trust & Buyer Confidence

Master Lock 510D Lock with Adjustable Shackle, 1-3/4-inch , Silver