Description: 【Aluminum alloy material】: Gooseneck Hitch Lock is made of high strength aluminum alloy to ensure the wear resistance and durability of the hitch lock 【Adjustable design】: Gooseneck Trailer Hitch Lock is equipped with two adjustable pin positions, and users can easily adjust the position of the hitch lock according to their needs 【Applicability】: Trailer Lock is suitable for a variety of vehicles such as caravans, livestock transport vehicles, heavy trailers, etc., and is suitable for 2 5/16 type gooseneck couplers 【Password lock】: Coupler Trailer Lock is equipped with a password lock, which enhances the security of the hitch lock and provides better protection 【Easy to use】: Gooseneck Hitch Lock is designed with user convenience in mind, and the hitch lock is easy to install and operate without complex tools or techniques Specification: Material: Aluminum Alloy Size Chart: 15.4cmx28cm/6.06inchx11.02inch Package Includes: 1 Gooseneck Hitch Lock 1 Combination lock Note: Please allow slightly errors 1-2cm differences due to manual measurement.