Check the listing for details. Trimax 1/2" Locking Hitch Pin (TM-T2). Condition: New. Listed at 25.40 USD. Product Details1/2 inch diameter hitch pin works for class I/II 1-1/4 inch trailer hitches. Triple plated chrome finish and hardened steel provides instant security for your camper, boat or trailer by securing to your vehicles receiver hitch.Type A key, which is spring loaded, 7 pin, high security key. Resists attempted drill outs. Rugged and durable. Barrel style keys - won't ever bend or break.Equipped with a internal O-ring and protective cap keeps water, grime and dirt out of the locking mechanism to ensure years of useKnurling on lock heads adds style and grip1/4 turn of the key locks and unlocks the head - cannot be false locked!Includes two barrel style keysWidth between the heads (gap space) 2-3/4 inchSpecificationsSpecificationsBRANDTrimaxDIAMETER1/2 inchFINISHChromeLENGTH2-3/4 inch