This top quality GearWrench Combination Tap & Die 75 Pieceset supplied in a sturdy case includes a medium Tap and Die ratcheting T wrench, small and medium tap adaptors, sliding T for adaptors, medium Hex Die Adaptor, SAE and Metric screw pitch gauge and a number 5 screwdriver. 34 Taps, Metric 3mm to 12mm, Imperial 1/4 to 1/2, Gauge 4-12, NPT 1/8 and BSP 1/8. 34 Dies, Metric 3mm to 12mm, Imperial 1/4 to 1/2, Gauge 4-14, NPT 1/8 and BSP 1/8.