uxcell 3 Pcs 20mm x 2.5mm Taper and Metric Tap M20 x 2.5mm Pitch Product Name : Taper and Metric Tap;Flute Diameter : 20mm Flute Teeth Pitch : 2.5mm / 0.1";Shank Diameter : 16.3mm / 0.64" Thread Length : 43mm / 1.69";Total Length : 92mm / 3.6" Material : HSS;Total Weight : 420g Package : 3 x Taper and Metric Tap1 x Plastic Box Holder