RIDGID 31720 Pipe Wrench Hook Jaw, 36-inch Pipe Wrench Replacement Jaws Replacement hook jaw for use with RIDGID 36-inch pipe wrenches Fits both heavy-duty and aluminum wrench models For use with both 36-inch straight pipe wrenches and size E-36 end pipe wrenches 36-inch (900 mm) pipe wrenches have a 5-inch (125 mm) pipe capacity RIDGID covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool