---
product_id: 225383692
title: "Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT"
brand: "master lock"
price: "$35"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/225383692-master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock
store_origin: NZ
region: New Zealand
---

# 6 locking positions for ultimate fit Adjustable 9/16 to 2-3/4 inch length Water-tight cap shields from dirt & moisture Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT

**Brand:** master lock
**Price:** $35
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind with Master Lock’s sleek, weatherproof trailer security!

## Quick Answers

- **What is this?** Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT by master lock
- **How much does it cost?** $35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/225383692-master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock)

## 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

- • **Weatherproof Defense:** Innovative water-tight cap protects the keyway from dirt and moisture, extending lock life and performance.
- • **Compact & Lightweight:** Slim, durable design at just 113 grams fits seamlessly without adding bulk or weight.
- • **Rustproof Reliability:** Premium stainless steel construction resists corrosion, keeping your lock looking sharp and functioning flawlessly.
- • **Tailored Security Fit:** Six adjustable locking positions ensure a perfect, secure fit for any trailer or RV hitch.
- • **Keyed-Alike Convenience:** Rekeyable cylinder lets you use one key for multiple locks—streamline your security with ease.

## Overview

The Master Lock 2847DAT Stainless Steel Adjustable Coupler Lock offers versatile, corrosion-resistant security for trailers and RVs. Featuring six locking positions adjustable from 9/16 to 2-3/4 inches, a water-tight cap to protect against dirt and moisture, and a rekeyable cylinder for keyed-alike convenience, this slim, lightweight lock ensures durable, hassle-free protection wherever you go.

## Description

Master Lock Stainless Steel Adjustable Coupler Lock is made of stainless steel that prevents rust and corrosion. It features 6 total locking positions, up to 3 inches and keyway cover protects cylinder from dirt and moisture.

## Features

- LOCK APPLICATION: Best used for vehicles, trailers, and RV hitch locks
- EASE OF USE: Six locking positions provide maximum flexibility; Rekeyable cylinder offers keyed-alike convenience
- DURABLE DESIGN: Water-tight cap protects trailer hitch lock from moisture and dirt
- SPECIFICATIONS: Coupler lock adjusts from 9/16 in. to 2-3/4 in. length
- INCLUDES: One trailer coupler latch lock, two keys

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | MASTER LOCK COMPANY LLC |
| Brand | Master Lock |
| Model | MASTERLOCK |
| Product Dimensions | 17.27 x 10.16 x 2.54 cm; 113.4 g |
| Item model number | 2847DAT |
| Manufacturer part number | 2847DAT |
| OEM Part Number | 2847DAT |
| Special Features | durable, slim fit |
| Item Weight | 113 g |

## Product Details

- **Brand:** Master Lock
- **Special feature:** durable, slim fit
- **Lock type:** Key Lock
- **Item dimensions L x W x H:** 17.3 x 10.2 x 2.5 centimetres
- **Material:** Stainless Steel

## Images

![Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT - Image 1](https://m.media-amazon.com/images/I/71nk22trIRL.jpg)

## Available Options

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

## Questions & Answers

**Q: what is diameter of the pin?**
A: Diameter of the pin is approx.  9/32 inch.. It is larger than 1/4 inch

**Q: can I get three of them keyed alike?**
A: Hi,Unfortunately these locks are all keyed differently, but they can be rekeyed by a locksmith that has the Master wafer lock rekeying kit.Thank you,NLS Products

**Q: What is shank diameter?**
A: The pin diameter is 1/4". Thank you, NLS Products.

**Q: Does it fit in a 1/4 inch hole my coupler will only fit 1/4 inch bolt size**
A: This product has a 1/4" diameter pin to secure the coupler.  It can be used on latches spanning up to 2-3/4" wide

## Frequently Bought Together

- Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT
- Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT
- Rhino USA Trailer Hitch Pin - Patented 5/8" Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection - Used to Tow Truck, Boat, Bike

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**Shop now:** [https://www.desertcart.nz/products/225383692-master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock](https://www.desertcart.nz/products/225383692-master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-19*