Malone Locking Hitch Pin - This locking hitch pin is used with all Malone receiver style hitch bike carriers. It is threaded to provide anti-wobble to the carrier and locking capacity at the hitch. Can be used with or without the locking head. Includes 2 keys. One Year Limited Warranty. Features Fits Malone threaded 1.25in and 2in trailer hitches Corrosion resistant coating Reinforced metal key housing Includes two keys Specifications Bolt Length: 4.25in Thread: 1/2in - 13 Diameter: 1/2in Weight: 1lb Towing Capacity: 10,000lb