Heavy Duty Universal Coupler Hitch Trailer Lock Fits 1-7/8', 2', And 2-5/16' Blue Universal type hook trailer lock, heavy duty high hardness material, durable and wear-resistant, spiricle port, stable installation, skid-resistant, large bearing capacity, tear-resistant, the key opening and closing, quick and convenient. Features: Easy to install and remove. Heavy duty high hardness material, durable and wear-resistant. Whole rust and corrosion resistant. Spiricle port, stable installation, skid-resistant. Large bearing capacity, tear-resistant. The key opening and closing, quick and convenient. Fits hitch sizes 1-7/8", 2", and 2-5/16". Lock mechanism resists picking and prying, guards against tow-away trailer theft. Specifications: Color: Blue, Orange, Black, Yellow (optional) Applicable Hitch Size: 1-7/8", 2", And 2-5/16" Model: Universal Function: Wear-Resistant, Anti-Rust, Large Bearing Capacity Package Weight: 830g / 29.28ounces Package Size: 160 * 145 * 80mm / 6.30 * 5.71 * 3.15in Packing List: 1 * Trailer Lock 1 * Key