16 Piece Tap & Die Set For Cutting Threads On Screws & Watch Repair. This is a new 16 piece tap and die set. Used for cutting threads on screws for watch & clock repair. Comes with 8 dies and 8 taps. Sizes range from 2.0 to 5.0 mm. To reduce rust in storage, metal tools received may come in packing grease or oil. To remove packing grease ...