Rapid Hitch Locking Pin Set - Keep your Rapid Hitch adjustable trailer ball mount safe with this lock set. It includes 1 adjustment pin lock and 1 receiver pin lock that will fit both 2 inch and 2-1/2 inch receivers. Made from Chrome plated, machine-hardened steel with a Cam locking system. These locking pins also come with rubber dust caps that shield key slots from liquids and other grime. Rated with a 30,000 lb shear strength to provide 24/7 security for your hitch mounted accessories. Locks are keyed alike and come with 2 keys per lock. Adjustment Pin measures: 4-3/8 inch x 5/8 inch inside shank. Receiver Pin measures: 3-1/3 inch x 5/8 inch inside shank. 2 locks per package.