Features: * Shuts off flow through vacuum lines, fuel lines, coolant lines, etc. * Cocking ratchet mechanism holds pivoting jaws tightly in place * Heavy duty swivel jaws pivot to assure parallel pinching What"s In The Box: * OTC4510-8 8-inch tool for small hoses and tight areas * OTC4510-10 10-inch tool for radiator and vacuum lines * OTC4510-12 12-inch tool for radiator and vacuum lines