Features: brand new and high quality High quality aluminum alloy and iron, rust and corrosion prevention. Bright yellow color is durable, highly visible, and an essential accessory to all types of trailers. Easy to assemble. Easy and quick to install and remove. Trailer Ball lock fits 1-7/8'', 2'', 2-5/16'' couplers on trailer, RV, SUV, and ratchet is adjustable with 11 locking positions. U-shaped locks fit over the coupler on the trailer's tongue and prevents someone else from hooking up his vehicle to your trailer. Specifications: Material:Iron,Aluminum Alloy Size:Approx.156.5x142mm/6.10x5.70in Net Weight:840g Package Includes: 1x Trailer Hitch Lock Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.