Uxcell a14021800ux0799 HSS 3 Flute 3mm x 0.5mm Taper Metric Tap M3 x 0.5mm Pitch (Pack of 3) Product Name : Taper and Metric Tap; Flute Diameter : 3mm / 0.1" Flute Teeth Pitch : 0.5mm / 0.02";Shank Dia : 3mm / 0.1" Thread Length : 17mm / 0.669";Total Length : 51mm / 2" Color : Gray; Material : HSS Total Weight : 14g;Package Content : 3 x Taper and Metric Tap