---
product_id: 5755231
title: "Black Combination Padlock, Indoor Gym Locker Lock with Customizable 3-Digit Code for Luggage, Backpacks, Cabinets, 647D"
brand: "master lock"
price: "$U525"
currency: UYU
in_stock: true
reviews_count: 13
category: "Master Lock"
url: https://www.desertcart.uy/products/5755231-black-combination-padlock-indoor-gym-locker-lock-with-customizable-3
store_origin: UY
region: Uruguay
---

# 30mm durable metal body 3-digit customizable combo 5mm steel shackle resists cutting Black Combination Padlock, Indoor Gym Locker Lock with Customizable 3-Digit Code for Luggage, Backpacks, Cabinets, 647D

**Brand:** master lock
**Price:** $U525
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your security, unlock your freedom.

## Quick Answers

- **What is this?** Black Combination Padlock, Indoor Gym Locker Lock with Customizable 3-Digit Code for Luggage, Backpacks, Cabinets, 647D by master lock
- **How much does it cost?** $U525 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/5755231-black-combination-padlock-indoor-gym-locker-lock-with-customizable-3)

## Best For

- master lock enthusiasts

## Why This Product

- Trusted master lock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Strength:** Sleek 1-3/16 inch metal body built for daily toughness without bulk
- • **Keyless Convenience:** Set and reset your own 3-digit code for hassle-free, key-free access
- • **Trusted Peace of Mind:** Backed by Master Lock’s Limited Lifetime Warranty for lifelong reliability
- • **Cut-Resistant Security:** Robust 3/16 inch steel shackle engineered to deter saws and cutters
- • **Travel-Ready Versatility:** Fits effortlessly on luggage, backpacks, and gym lockers for on-the-go protection

## Overview

The Master Lock 647D is a compact, durable combination padlock featuring a 30mm metal body and a 5mm steel shackle designed to resist cutting. Its customizable 3-digit code eliminates the need for keys, making it ideal for securing gym lockers, luggage, backpacks, and cabinets. Lightweight yet tough, it offers travel-friendly versatility and is backed by a Limited Lifetime Warranty from a trusted brand.

## Description

Product Description Master Lock Master Lock Black Luggage Lock, Small Combination Lock with Steel Shackle, Set Your Own Combination to Protect Gym Lockers, Cabinets, Backpacks, 647D delivers straightforward, dependable security with true keyless convenience. Built around a durable 1‑3/16 in (30 mm) wide metal body, it’s designed to stand up to daily handling while keeping weight and bulk to a minimum. This combo lock's steel shackle measures 3/16 in (5 mm) in diameter and 7/8 in (22 mm) in length, offering resistance to cutting and sawing so you can lock with confidence. A smooth, easy‑to‑read three‑dial combination lets you choose and remember your code, removing the hassle of carrying keys, replacing lost keys, or waiting on key holders. Set it once and access stays simple: turn the dials, open the shackle, and you’re on your way. The compact travel lock factor fits naturally where you need a small, reliable lock, and the metal construction provides a reassuring feel every time you secure your items. Backed by a Limited Lifetime Warranty, this padlock pairs practical convenience with the peace of mind that comes from a brand you know and trust. Choose the Master Lock 647D when you want a straightforward, key‑free solution made of metal and steel components, three‑dial combination security, and lasting support under a Limited Lifetime Warranty. From the Manufacturer Master Lock 647D 1-3/16" (30mm) Wide Luggage Lock - Set-Your-Own Combination

Review: Great Craftsmanship! - Works great, I use it as a gym lock and have no complaints. It’s compact enough to fit plenty of places when not being used. It’s never failed on me and it’s easy to lock and unlock. Great price for the exceptional quality. Feels heavy and compact in your hand but in a good way
Review: Travel with an ease of mind! - It’s very easy to set your code and it’s simple. It goes through zipper holes to keep your luggage safe. Also TSA approved so they can open the lock if they need to without having to break the lock, which is great. I have purchased many of these and use them on all the luggage’s. It doesn’t feel cheap and has held up very well. It’s simple, and it works as designed.

## Features

- Durable Construction: Metal body measures 1‑3/16 in (30 mm) wide for strength and reliability
- Steel Shackle: 3/16 in (5 mm) diameter and 7/8 in (22 mm) length resists cutting and sawing
- Combination Lock: Three dial design allows you to set and reset your own code for keyless convenience
- Travel Lock: Compact size fits easily on luggage, backpacks, and gym bags for secure storage
- Padlock Versatility: Ideal for securing lockers, luggage, and personal items at home or on the go
- Limited Lifetime Warranty: Provides peace of mind from a brand you know and can trust
- 1-13/16 in. (30 mm) wide lock body; 3/16 in. (5 mm) diameter shackle with 7/8 in. (22 mm) length, 3/8 in. (10 mm) width

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BD8MQ0 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #229 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Combination Locks |
| Brand | Master Lock |
| Certification | Set-your-own combination convenience |
| Color | Black |
| Control Method | App |
| Controller Type | Manual |
| Customer Reviews | 4.4 4.4 out of 5 stars (7,806) |
| Date First Available | June 27, 2007 |
| Finish | Polished |
| Finish Type | Polished |
| Global Trade Identification Number | 00071649080050 |
| Included Components | Unit^Instruction Guide |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.82 ounces |
| Item dimensions L x W x H | 0.56 x 1.2 x 2.86 inches |
| Item model number | 647D |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock |
| Material | Alloy Steel, Metal |
| Measurement System | Metric |
| Model Name | 646D |
| Number of Pieces | 1 |
| Part Number | 647D |
| Pattern | Lock |
| Product Dimensions | 0.56 x 1.2 x 2.86 inches |
| Recommended Uses For Product | Luggage |
| Shape | Rectangular/Irregular |
| Size | 1 Pack |
| Special Feature | Cut Resistant |
| Special Features | Cut Resistant |
| Style | Scrolling |
| UPC | 071649080050 |

## Product Details

- **Brand:** Master Lock
- **Item dimensions L x W x H:** 0.56 x 1.2 x 2.86 inches
- **Lock Type:** Combination Lock
- **Material:** Alloy Steel, Metal
- **Special Feature:** Cut Resistant

## Images

![Black Combination Padlock, Indoor Gym Locker Lock with Customizable 3-Digit Code for Luggage, Backpacks, Cabinets, 647D - Image 1](https://m.media-amazon.com/images/I/51+W2BntUHL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What is the exact length & width of this lock?**
A: The measurements of the lock are:height 1 3/4"width 1 1/4"thickness 1/2"shackle height 1 1/8"shackle thick 3/16"Hope this helps.

**Q: i followed the instructions and put it in the 90 degree position. now it's stuck there. anyone have a solution?**
A: If you're able to push down and turn, then do so. If not, try the new code or the original if that doesn't work. Also, be sure that you followed the instructions on which way to turn the lock while setting the code, as different steps have different directions.

**Q: How do I change my combination?**
A: It doesn’t work, every time I try to change the code the lock it’s stuck and stops working. Then I had to buy a new one it sucks

**Q: Is the body made of metal or plastic?**
A: The lock as a metal body.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Craftsmanship!
*by Q***X on January 21, 2026*

Works great, I use it as a gym lock and have no complaints. It’s compact enough to fit plenty of places when not being used. It’s never failed on me and it’s easy to lock and unlock. Great price for the exceptional quality. Feels heavy and compact in your hand but in a good way

### ⭐⭐⭐⭐⭐ Travel with an ease of mind!
*by S***E on November 7, 2025*

It’s very easy to set your code and it’s simple. It goes through zipper holes to keep your luggage safe. Also TSA approved so they can open the lock if they need to without having to break the lock, which is great. I have purchased many of these and use them on all the luggage’s. It doesn’t feel cheap and has held up very well. It’s simple, and it works as designed.

### ⭐⭐⭐⭐⭐ Reliable Locker Lock with Easy-to-Set Combo
*by E***S on September 15, 2025*

Reliable Locker Lock with Easy-to-Set Combo This Master Lock combination padlock turned out to be just what I needed for gym and travel use. The compact size makes it easy to slip through locker or bag zippers, yet it feels sturdy and well-constructed. The black finish gives it a simple, low-profile look, which I like since it doesn’t draw attention. Setting my own 3-digit code was quick and painless—no fumbling with confusing instructions. The numbers turn smoothly, and the lock clicks shut securely without feeling flimsy. I tested it on a gym locker, a backpack zipper, and a small cabinet, and it worked consistently across all of them. It’s light enough for luggage yet strong enough that I trust it in everyday use. Something to keep in mind: this is designed for light to medium-duty use. It’s not meant for securing high-value items outdoors, as the shackle isn’t heavy-duty and the mechanism isn’t weatherproof. But for lockers, bags, or cabinets indoors, it’s perfect. Bottom line: A dependable, easy-to-use lock that strikes a good balance between portability and security for everyday needs.

## Frequently Bought Together

- Master Lock Black Combination Padlock, Indoor Gym Locker Lock with Customizable 3-digit Code for Luggage, Backpacks, Cabinets, 647D
- Ultimate Gym Bag 2.0: The Durable Crowdsource Designed Duffel Bag with 10 Optimal Compartments Including Water Resistant Pouch
- Rainleaf Microfiber Towel Perfect Travel & Gym & Camping Towel. Quick Dry - Super Absorbent - Ultra Compact - Lightweight. Suitable for Trip, Beach, Shower, Backpacking, Pool

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.uy/products/5755231-black-combination-padlock-indoor-gym-locker-lock-with-customizable-3](https://www.desertcart.uy/products/5755231-black-combination-padlock-indoor-gym-locker-lock-with-customizable-3)

---

*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-27*