1,Compatible with: 1/18 RC Car A959 A969 A979 K929 A959-B A969-B A979-B 2,Total length:Approx 63mm; Hole center to hole center : About 54mm 3,Diameter of Hollow Ball Hole:2.5mm 4,CNC machined pistons and shock bodies for a precise fit,Easy upgrade from the part 5,Package Include: 4 shocks. All hardware for assembly included,Produced By ,Well made and durable,100% New Item: Aluminum Shock Absorber CNC machined pistons and shock bodies for a precise fit,Easy upgrade from the part Polyoxymethylene - (POM/thermoplastic) shock pistons Offers smooth action Clear anodized shock bodies,Both Ends are Plactic Compatible with:Electric 1/18 RC Car A959 A969 A979 K929 A959-B A969-B A979-B Size:6.3*1.4*1.4cm Material:metal Colour:blue Package Contents: 4 * shock absorber 8 * Screw 4 * ball screw Only the above package content, other products are not included. Note: Light 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.