Parts list: № Number Qty Name Options 1 19H3481 2 Cap Screw 3/8" X 7-1/2", 3/8" X 7-1/2" 2 24H1884 4 Washer 13/32" X 13/16" X .120" 3 [] 1 ( AT73143 USE IF AVAILABLE) 4 14H812 2 NUT 3/8" 5 [] 2 (SUB FOR T74641) ( 28H3322 NO LONGER AVAILABLE) Next page: 1822-1 STEP EXTENSION (USED WITH 36 INCH TRACKS) [02B18]