... SET, ALLOY STEEL: CONTENT: DIES 28 PCS IN FOLLOWING SIZE: 4-40, 6-32, 8-32, 10-24, 10-32, 12-24 ... , 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8 ... 16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 7/8-9, 7/8-14, 1"- ... 8, 1"-14, 1/8-27, 1/4-18 TAPS 28 PCS IN FOLLOWING SIZE, AS DIES SIZE ... TAP WRENCH 1 PC T TYPE TAP WRENCH 1 PCS SCREW-PITCH GAUGE 1 PC SCREWDRIVER 1 PC ADAPTER. PACHAGING ...