Master Lock 605DAT Trailer Coupler Lock for 1-7/8" and 2" Couplers

The Master Lock 605DAT is a solid brass coupler latch lock featuring a 3/4-inch (19mm) shackle designed to prevent theft of trailers, RVs, and other towable equipment. The solid brass construction provides excellent resistance against rust and corrosion, making it ideal for outdoor storage and all-weather use.

Key Features:

• Compatible with 1-7/8" and 2" trailer coupler latches
• Case-hardened steel shackle with built-in anti-sawing pin resists cutting and sawing attempts
• Precision pin tumbler mechanism offers superior protection against picking
• Durable solid brass body for maximum corrosion resistance
• Shackle dimensions: 15/16" length, 7/16" inner width; 2" body width
• Matching colored keyhead for easy key identification
• Backed by Master Lock's Limited Lifetime Warranty

This trigger-style coupler lock installs through the coupler latch mechanism, preventing the coupler from opening whether your trailer is connected to a tow vehicle or sitting in storage. The keyed-different cylinder ensures each lock has a unique key for security. Note: This lock cannot be ordered keyed alike with other units.