Andersen Manufacturing 3492 Rapid Hitch Locking Pin Set for 2" & 2-1/2" Receivers Made from chrome plated machine-hardened steel Includes: 1 adjustment pin and 1 receiver pin for 2-1/2 inches receivers Adjustment pin: 4-3/8 inches by 5/8 inches inside shank 30,000 pounds shear strength Cam locking system, both locks are keyed alike