Offer your wheelie model a lift with this specific Hop-Up choice set! It offers E-ring guaranteed stainless steel shafts for use in reduced suspension hands, giving smoother and truer movement compared to original screw pins. The aluminum support connection will act as a brace in which the suspension shafts attach the lower hands to the chassis. 3x37mm stainless Shafts x2 3x52mm Stainless Steel Shafts x2 Aluminum help Bridge x1 E-Rings x10 appropriate for GF-01 and WR-02 framework automobiles.