The TBM8S is a crimp tool with Shure Stake mechanism for #8 AWG - 500 kcmil copper and #10 AWG - 350 kcmil aluminum lugs and connectors. Shure Stake mechanism ensures a properly completed crimp each time. Install all coded copper compression joints and a selection of small C-Taps. Complete includes installing dies and a wire brush in a plastic carrying case.