High quality steel taps & dies. Split dies with machined lead-ins for ease of use. Die holder features self-centring mechanism for straight & accurate thread cutting. Contents: Taps & Dies; M3x 0.5, M4x 0.7, M5x 0.8, M6x 1, M8x 1.25, M10x 1.5, M12x 1.75, UNF 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, BSP 1/8"-28, 1/4"-19. Tap Wrench, T-Bar Tap Wrench, Die Holder, Thread Gauge, Screwdriver. Model No. AK3033