Basin buddy, universal faucet nut wrench, fits metal lock nuts, coupling nuts, pvc locknuts, most metal & plastic toilet supply nuts, made from aluminum with capacity for 3/4″ to 1-1/2″, grabs locknut wings without breaking them off, cut away design fits around existing supply lines to remove coupling nut, for use with 1/4″ or 3/8″ ratchet drive, adapter is included, lifetime guarantee.