Our billet clutch compression tools feature a 3/8 acme rod center post and can be taken down for easy storage in your toolbox or trail kit. The base and handle are machined from 6061 aluminum then anodized for excellent scratch and corrosion resistance while the cup is made out of steel and zinc plated to withstand years of use. The base was designed to be held in your bench vise or fastened directly to the work bench with the four countersunk holes. With this design we tried to bring the benefits of all the popular compression tools on the market and combine them into one to aid in a quicker disassembly and reassembly of your clutch setup. These fit most secondary clutches and several primary assemblies Proudly manufactured in America!