Rebuilds Sloan 1 screw driver stops: H600-A, H600-AG, H540-A, H540-AG, H650-AG, H545-AG and 3/4 H700 series Includes: H541 collar, H548 SD stem, H549 O ring, H 572 adjusting sleeve, H583 insert plug, H584 rubber seat and SH406 spring H600-AG H540-A H540-AG H650-AG