---
product_id: 2378580
title: "Blue Vinyl Covered Aluminum Keyed Padlock, Small Lock for Gym or School Locker can be Used Indoors or Outdoors, 142DCM"
brand: "master lock"
price: "362950₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Master Lock"
url: https://www.desertcart.vn/products/2378580-blue-vinyl-covered-aluminum-keyed-padlock-small-lock-for-gym
store_origin: VN
region: Vietnam
---

# 4-pin cylinder anti-pick security 40mm corrosion-resistant body hardened steel shackle cut-resistant Blue Vinyl Covered Aluminum Keyed Padlock, Small Lock for Gym or School Locker can be Used Indoors or Outdoors, 142DCM

**Brand:** master lock
**Price:** 362950₫
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your security, unlock your peace of mind.

## Quick Answers

- **What is this?** Blue Vinyl Covered Aluminum Keyed Padlock, Small Lock for Gym or School Locker can be Used Indoors or Outdoors, 142DCM by master lock
- **How much does it cost?** 362950₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/2378580-blue-vinyl-covered-aluminum-keyed-padlock-small-lock-for-gym)

## 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 & Portable:** Small 40mm lock body fits perfectly on gym, school, or storage lockers without bulk or hassle.
- • **Cut-Resistant Shackle:** Hardened steel shackle stands strong against cutting and sawing attempts, securing your essentials.
- • **Lifetime Peace of Mind:** Backed by Master Lock’s Limited Lifetime Warranty—join millions who trust proven protection.
- • **Rugged Yet Lightweight:** Blue vinyl-covered aluminum body resists scratches and corrosion for lasting style and durability.
- • **Advanced Locking Mechanism:** 4-pin cylinder with dual locking levers offers superior pick and pry resistance—security you can trust.

## Overview

The Master Lock 142DCM is a compact, blue vinyl-covered aluminum padlock designed for indoor and outdoor use. Featuring a 40mm corrosion-resistant body, a hardened steel shackle for cut resistance, and a 4-pin cylinder with dual locking levers for enhanced pick and pry protection, it’s ideal for gym, school, or storage lockers. Lightweight yet durable, it offers reliable security backed by a Limited Lifetime Warranty.

## Description

The Master Lock 142DCM Covered Aluminum Padlock with Key features a 1-9/16 in. (40mm) wide blue vinyl covered body for scratch and corrosion resistance. The 1/4 in. (6mm) diameter shackle is 7/8 in. (22mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The Limited Lifetime provides peace of mind from a brand you know and can trust.

Review: Light and secure - 5.0 out of 5 stars Perfect little gym locker lock — super small, lightweight, and clips right onto my AirPods case! I grabbed this Master Lock Blue Vinyl-Covered Lock specifically for my gym bag routine before work, and it’s exactly what I needed. No more digging through my bag for a bulky lock or worrying about losing the key — this thing is tiny, feather-light, and makes securing my stuff effortless. Why it’s a game-changer for me: • Tiny & lightweight — Fits in the palm of my hand and weighs almost nothing. I clip the included key right onto my AirPods case with the built-in loop, so everything stays together in one easy spot. • Easy to use at the gym — Slides through the locker latch in seconds, snaps shut, and opens just as fast. The blue vinyl coating is smooth and quiet — no loud clanking like metal locks. • Secure & durable — Holds my wallet, phone, watch, and keys safely while I’m lifting or on the treadmill. The vinyl keeps it from scratching the locker or my bag. • Perfect pre-work hack — I throw my bag in the locker, clip the lock on, and I’m in the zone in under 30 seconds. No hassle, no stress. I’ve used it every morning for the past couple of weeks and it still looks brand new. If you hit the gym before work and want a no-fuss, ultra-portable lock that you can literally attach to your AirPods case, this Master Lock is perfect. Way better than the big clunky ones they sell at the front desk. Highly recommend — best $8–10 I’ve spent on gym gear in a long time!
Review: Great lock for a small price - This lock is perfect for my garage door hasp. The rubber covering on the lock itself will be great for keeping it from rusting like the other locks I have used in the past. Conveniently arrives with two keys. One for your keychain and one for the drawer or a 2nd ring. And of course, since it's a Master brand lock, you know it will last a long time and open easily.

## Features

- Indoor and outdoor padlock with key is best used as a gym lock providing basic protection and security from theft
- Key lock is constructed with a blue vinyl-covered aluminum body for scratch and corrosion resistance, hardened steel shackle for cut resistance
- Four-pin cylinder and dual locking lever mechanism for pick and pry resistance
- 1-9/16 in. (40 mm) wide lock body; 1/4 in. (6 mm) shackle diameter, shackle height 7/8 in. (22 mm) length, and shackle width 13/16 in. (21 mm)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Master Lock |
| Item dimensions L x W x H | 0.1 x 1.57 x 2.52 inches |
| Lock Type | Key Lock |
| Material | Alloy Steel , Aluminum |
| Recommended Uses For Product | Security |
| Special Feature | Padlock , Padlock with Key |

## Product Details

- **Brand:** Master Lock
- **Item dimensions L x W x H:** 0.1 x 1.57 x 2.52 inches
- **Lock Type:** Key Lock
- **Material:** Alloy Steel, Aluminum
- **Special Feature:** Padlock, Padlock with Key

## Images

![Blue Vinyl Covered Aluminum Keyed Padlock, Small Lock for Gym or School Locker can be Used Indoors or Outdoors, 142DCM - Image 1](https://m.media-amazon.com/images/I/71mwtEjfNxL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can you use this for outdoors?**
A: As far as using it on outdoor lockers yes it's sturdy and small enough to be used outdoors. It's really a good lock.

**Q: Does it only come with one key?**
A: Hello, this padlock comes with 2 keys.

If you need one with more keys, a padlock with 5 keys is available here: https://www.amazon.com/dp/B086WQ36F6

**Q: Is this lock rust proof? Will be locking a ladder on top of my van, which lives outside...**
A: No, the mechanism seized about 6 months of securingy shed (outdoors). 

The mechanism is also abysmal, get an Abus.

**Q: What are the keys made of? Do they contain lead?**
A: Do not know what keys are made of but they work well

## Customer Reviews

### ⭐⭐⭐⭐⭐ Light and secure
*by A***. on February 25, 2026*

5.0 out of 5 stars Perfect little gym locker lock — super small, lightweight, and clips right onto my AirPods case! I grabbed this Master Lock Blue Vinyl-Covered Lock specifically for my gym bag routine before work, and it’s exactly what I needed. No more digging through my bag for a bulky lock or worrying about losing the key — this thing is tiny, feather-light, and makes securing my stuff effortless. Why it’s a game-changer for me: • Tiny & lightweight — Fits in the palm of my hand and weighs almost nothing. I clip the included key right onto my AirPods case with the built-in loop, so everything stays together in one easy spot. • Easy to use at the gym — Slides through the locker latch in seconds, snaps shut, and opens just as fast. The blue vinyl coating is smooth and quiet — no loud clanking like metal locks. • Secure & durable — Holds my wallet, phone, watch, and keys safely while I’m lifting or on the treadmill. The vinyl keeps it from scratching the locker or my bag. • Perfect pre-work hack — I throw my bag in the locker, clip the lock on, and I’m in the zone in under 30 seconds. No hassle, no stress. I’ve used it every morning for the past couple of weeks and it still looks brand new. If you hit the gym before work and want a no-fuss, ultra-portable lock that you can literally attach to your AirPods case, this Master Lock is perfect. Way better than the big clunky ones they sell at the front desk. Highly recommend — best $8–10 I’ve spent on gym gear in a long time!

### ⭐⭐⭐⭐⭐ Great lock for a small price
*by U***T on March 27, 2026*

This lock is perfect for my garage door hasp. The rubber covering on the lock itself will be great for keeping it from rusting like the other locks I have used in the past. Conveniently arrives with two keys. One for your keychain and one for the drawer or a 2nd ring. And of course, since it's a Master brand lock, you know it will last a long time and open easily.

### ⭐⭐⭐⭐⭐ Great For Indoor Storage Lockers!
*by I***! on November 30, 2025*

Works great for my storage units in my building, and my locker at work. Good quality, as expected from Master, and the keys are easy to hold. I like how the keys are the same color as the lock. I have three colors of the lock, so I always know which key opens which lock. Will buy anytime I need a padlock for any indoor application.

## Frequently Bought Together

- Master Lock 142DCM Covered Aluminum Keyed Padlock, 1-Pack, Blue
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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-19*