Hook Jaw, For Use w/4A502 Pipe WrenchMfr #: 31720 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