ITEM NAME:High Speed Steel 4mm x 0.7mm Taper and Plug Metric Tap 2 Pcs E1V7 High Speed Steel 4mm x 0.7mm Taper and Plug Metric Tap 2 Pcs E1V7 R2R9 Product Name : Taper and Plug Metric Tap;Flute Diameter : 4mm / 0.157" (M4) Flute Teeth Pitch : 0.7mm / 0.027";Shank Dia : 4mm / 157" Thread Length : 17mm / 0.67";Total Length : 47mm / 1.85" Color : Gray;Material : HSS Total Weight : 8g; Package Content : 2 x Taper and Plug Metric Taps Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.