Cannondale Headshok 1/2" Shaft Clamp Cartridge ToolAn innovative Cannondale shaft clamp tool for various Lefty and Headshok damper cartridges that use a 1/2" clamp. Use this tool to securely clamp the damper shaft and remove/install air piston kits without damaging the shape or finish on the shaft. This kit includes a two-piece shaft clamp in anodized black.769753895829