Thread Tap: Thread Size: M8 x 1.25; Thread Length: 22mm / 0.87"; Overall Length: 71mm / 2.8"; Square Shank Size: 5mm / 0.2"; Cutting Direction: Left Hand; Accuracy: H2; Material: High Speed Steel 6542Round Die:Thread Size: M8 x 1.25; Outside Diameter: 25mm / 0.98"; Thickness: 9mm / 0.35"; Cutting Direction: Left Hand; Material: Alloy Tool Steel (9SiCr)Drill Bit:Cutting Edge Diameter: 6.8mm / 0.27"; Cutting Edge Length: 56mm / 2.2"; Total Length: 107mm / 4.21"Material: M35 Cobalt High Speed Steel (HSS, 5% Cobalt)Package: 1pcs x Thread Tap, 1pcs x Round Die, 1pcs x Drill BitDescriptions:Tap and die set are suitable for making or repairing male and female threads. They are both left hand thread, durable, and with clear threads, good for general purpose applications.Straight flute design, downward chip removal.