BQLZR Purple 108004 RC1:10 Alloy Aluminum 98mm Shock Dampers Suspension Absorber For HSP Pack of 2 Upgrade Parts Shock absorbers suit most HSP RC 1:10 Truck Adjustable Tension Alloy Shocks with black coil spring. Note:To avoid the oil flowing out from oil container, please tighten the screw cap by tool.