Rapid Hitch Lock set (replaces 3434) -includes 1 adjustment pin lock and 1 receiver pin lock for 2", 2-1/2" and oversized receivers. • Made from Chrome plated machine-hardened steel • Includes: 1 adjustment pin and 1 receiver pin for 2-1/2" receivers. • Adjustment Pin: 4-3/8" x 5/8" (112mm x 16mm) inside shank • Receiver Pin: 3-1/3" x 5/8" (91mm x 16mm) inside shank • 30,000 lbs shear strength • Cam locking system • Both locks are keyed alike • Rubber Dust cap shields key slot from liquids and other grime • Provides 24/7 security for your hitch mounted accessories