Extra long 5/8inch hitch locking pin with 3-1/8inch spans, fits Class III, IV, V hitches as 2 x 2inch and 2.5 x 2.5inch Separate spring clip provides additional convenience and safety, in case to make a quick change of hitches by this clip without having to use the lock, or even the lock fails Rubber O rings can keep away the pin rattles 1/4 turn lock and push lock design makes it easier to lock and unlock Rubber cap provides additional protection to locking mechanism from moisture and dirt This product does not fit the bike racks with threaded connection This product does not fit the hitches with 1/2inch pin holes Before purchase, please verify all dimensions of your hitch, to get a great fit of the hitch lock pin. Net weight: 1.16 pounds / 0.53 kg Product dimensions: 7.7 x 1.2 x 1.2 inches / 19.5 x 3 x 3 cm Colour: black Material: steel, zinc alloy, rubber Package Contents: 1 x 5/8inch hitch locking pin 2 x Tubular keys 1 x Spring clip 5 x Rubber O rings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.