Features: 1.The spherical lock adopts an anti?theft lock device, which allows you to use it with confidence 2.It can be extended and locked inside the trailer coupling to prevent the trailer from being connected to the tow ball. 3.With anti?oxidation and anti?corrosion properties, practical and can deal with harsh conditions. 4.Made of high?quality metal material, it is durable and has a stable performance. 5.It can be widely used, suitable for most popular trailer couplings in the market. Specification: Item Type: Hitch Lock_x000D_ Material: Metal_x000D_ Size: Approx. 65.5 x 50mm/2.6 x 2.0in(Height x Diameter)_x000D_ Fitment: Fit for All Popular Trailer Couplings PackageList: 1 x Trailer Lock 1 x Wrench 2 x Key 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.