cutting tool. Keyway Broach Sets Used to cut keyways in gears,pullys, etc .,using a shop arbor press. 15 Keyway Broach Set.Inclueds:Broaches-A:1/16, 3/32, 1/8Collared Bushings-A: 1/4,5/16,3/8,7/16,1/2 18 Keyway Broach SetInclueds:Broaches: 1/8B, 3/16B & 1/4C , 3/8CCollared Bushings-B:1/2, 5/8, 3/4 , 7/8 -C: 1,1-1/8, 1-1/4, 1-3/8&1-1/2