BQLZR Titanium Color Aluminum Shock Absorbers RC 1:16 Truck 286004 Upgrade Part For HSP Pack of 2 The shock absorbers are suitable for HSP RC 1:16 Truck 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. Shock absorber diameter: 15 mm/0.59" Dimension:15 x 85mm/0.59 x 3.35"(Dia x L)