BQLZR Blue Shock Absorbers Aluminum Alloy 106004/1660004 Upgrade Parts for HSP RC 1:10 Buggy Pack of 2 Shock absorbers are suit most 1:10 Off road RC cars 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.