Ridgid 43440 Tool Chuck Cap for 535 Model This item is 43440 CAP, CHUCK 6 HOLES This product is used for power-lathe-chucks This product manufacture by United States Replacement part Used with the Ridgid 535 bolt and pipe threader 6 hole chuck cap Unmatched durability and reliability Ridgid covers its products with a lifetime warranty against defects in material or workmanship