No. 100 HEAVY DUTY COMBINATION SET: The most complete Minute Man® Broach Set available including all popular combinations without duplication. This set is supplied in three wood boxes for convenient handling and storage, and comes with broaches, slotted bushings, and necessary shims. 9 broaches and 44 bushings = 102 keyway combinations (Collared bushings B & C, Plain bushings D & E)