This is the Stock Replacement Screw Pin Set for the Traxxas Nitro 4-Tec. These are also refered to as the hing pins. FEATURES: Steel construction YOU WILL RECEIVE: Two 49mm (1.92") pins Two 42mm (1.65") pins Two 34mm (1.32") pins Two 28mm (1.12") pins Two 3mm e-clips REQUIREMENTS: Installation into vehicle. COMMENTS: The two 49mm pins use e-clips. The rest are screw pins. cmc 07/31/02 ir/kh &