ENZO-DRC CARTRIDGE LOCK TOOL - ENZO×DRC collaboration tool. - A tool to tighten the lock nut on the cylinder and tank joint of the inner cartridge on the front fork of the closed cartridge. - Place a 3/8 inch (9.5 mm) tool mounting hole and tighten using a general tool (spinner handle, torque wrench, etc.). - Lock nut outer diameter 35mm. - Pin diameter 4mm. - Made of steel, painted black.