Main Feature: CNC machined aluminum shock bodies, spring adjust nuts and stop rings Anodized shock bodies, spring adjust nuts and stop rings Lower shock ends includes silver anodized aluminum balls Fully threaded for rapid adjustment Delrin pistons 3.5mm thick shock shafts Shaft exits through double O-ring seals Adjustable shaft travel option Easy load shock seal assembly Laser engraved for authenticity Fits 1/8 & 1/10 scale crawlers & trucks What's included: Black anodized aluminum shock bodies x 2 Black anodized aluminum spring adjust nuts x 2 Red anodized aluminum stop rings x 2 Shock springs x 4 All necessary hardware to finish the shocks Assembly instructions Bottle of shock oil Specs: Length (Mounting hole to hole): 113mm Shock Body Diameter: 14mm Spring Diameter: 19mm Spring Length: 29mm and 50mm Full Shaft Travel Range: 36mm (without Rubber bump stop) Shaft Diameter: 3.5mm