---
product_id: 244194674
title: "Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue)"
brand: "proven industries"
price: "2735 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/244194674-proven-industries-model-400xl-puck-lock-set-made-in-usa
store_origin: DK
region: Denmark
---

# Unique anti-copy key design Aircraft-grade 6061 aluminum Pick & corrosion resistant Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue)

**Brand:** proven industries
**Price:** 2735 kr
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind with Proven Industries’ ultimate trailer defense!

## Quick Answers

- **What is this?** Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue) by proven industries
- **How much does it cost?** 2735 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/244194674-proven-industries-model-400xl-puck-lock-set-made-in-usa)

## Best For

- proven industries enthusiasts

## Why This Product

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

## Key Features

- • **Unbreakable Security:** Heavy-duty puck locks engineered to withstand bolt cutters and prying tools.
- • **Keyed for Convenience:** All three locks come keyed alike with a patented anti-copy key design to keep your keys exclusive.
- • **Precision Craftsmanship:** Made from aircraft-grade 6061 solid aluminum for unmatched durability and corrosion resistance.
- • **Proudly Made in the USA:** From concept to fabrication, these locks are crafted domestically ensuring top-tier quality and reliability.
- • **Perfect Fit for Trailers:** Generous shackle dimensions (1 3/4" x 1 3/4" x 7/8") designed to secure enclosed trailer doors effortlessly.

## Overview

The Proven Industries Model 400XL Puck-Lock Set is a pack of three heavy-duty, aircraft-grade aluminum locks designed specifically for securing enclosed trailer doors. Featuring a hidden, fully shielded shackle and a unique anti-copy key system, these locks offer superior protection against theft, picking, and corrosion. Made in the USA, they combine robust security with convenience, making them the go-to choice for professionals who demand reliability and peace of mind.

## Description

Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue)

## Features

- HEAVY-DUTY PUCK LOCKS: It’s important to do everything you can to protect your belongings and your trailer from being stolen. Our strong and pick-resistant puck locks help keep your rear and side enclosed trailer doors secure.
- TOUGH PUCK LOCKS: These padlock cylinders are constructed from aircraft-grade 6061 solid aluminum, so they’re resistant to picking and corrosion. Each lock features a hidden and fully shielded shackle that protects against bolt cutters and prying tools.
- UNIQUE KEY DESIGN: Our puck locks have a special key design that prevents lockpicking and deters would-be thieves from making a copy of your lock keys. Each lock comes with 2 keys, and all keys are keyed alike for your convenience.
- LOCK DIMENSIONS & SIZES: Each puck lock has a large opening on the back to accommodate for swivel hasps on an enclosed trailer door. The shackle opening measures 1 3/4" L x 1 3/4" W x 7/8" H and has a depth of 1 1/4".
- PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Proven Industries |
| Special Feature | Key Lock |
| Lock Type | Key Lock |
| Material | Aluminum |
| Recommended Uses For Product | Securing enclosed utility-trailer doors and personal possessions |
| Style | Modern |
| Color | Blue |
| Number of Pieces | 3 |
| Included Components | 3 locks |
| Controller Type | Hand Control |
| Shape | Rectangular |
| Control Method | Touch |
| UPC | 729573594777 |
| Manufacturer | Proven Industries |
| Part Number | 400XL |
| Item Weight | 3.16 pounds |
| Package Dimensions | 6.81 x 3.31 x 3.23 inches |
| Item model number | 400XL |
| Item Package Quantity | 1 |
| Type of Bulb | lock |
| Special Features | Key Lock |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Proven Industries
- **Special Feature:** Key Lock
- **Lock Type:** Key Lock
- **Material:** Aluminum
- **Recommended Uses For Product:** Securing enclosed utility-trailer doors and personal possessions

## Images

![Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue) - Image 1](https://m.media-amazon.com/images/I/61QgGo0GwuL.jpg)

## Available Options

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

## Frequently Bought Together

- Proven Industries Puck Lock 3 Pack of 400XL | Best Trailer Lock with Hidden Shackle | All Locks Keyed Alike | (Blue)
- CARTMAN Heavy Duty Trailer Lock, Universal Security Tire Clamp, Adjustable Anti-Theft Lock for Trailers SUV Boats ATVs Motorcycles Golf Cart, 3 Keys

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**Shop now:** [https://www.desertcart.dk/products/244194674-proven-industries-model-400xl-puck-lock-set-made-in-usa](https://www.desertcart.dk/products/244194674-proven-industries-model-400xl-puck-lock-set-made-in-usa)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-27*