Product Description CV Boot Clamp Installer with Tightening RatchetPT51702 Suits low-profile driveshaft boot clamps up to 10mm (3/8) Designed for the low-profile clamps used to hold CV Boots on FWD vehicles Installs driveshaft boot clamps up to 10mm (3/8) Tightening ratchet quickly & easily winds in the clamp end to the require tension inbuilt cutter finishes the job