8 inch, 10 inch & 12 inch length pliers Pinches & shuts off flow of vacuum lines, radiator hoses, fuel lines, coolant hoses etc. Change thermostats without draining cooling system Heavy duty swivel jaws pivot to ensure parallel pinching Automatic locking ratchet mechanism holds jaws tightly in place 8 inch plier is especially ideal for smaller hoses & tight areas Warranty: Lifetime