Powerbuilt 648526 2 Pc Hose Pinchers For temporarily sealing off vacuum lines, fuel lines another hoses with a positive, hands-off grip Pincher tool uses wing nut to compress jaw and apply pressure between jaw and tool body 1" opening. Two per package Temporarily seal off vacuum lines, fuel lines and other hoses Pincher tool uses wing nut to compress jaw Applies pressure between jaw and tool body 1 Inch opening