uxcell M4 x 0.7 Metric SKS2 Straight 3 Flutes Bottoming Taper Hand Taps Set 3 Pcs Product Name : Hand Tap;Material : SKS2;Color : Silver Tone Thread Type : Bottoming ,Taper;Number ofFlutes : 3;Flute Diameter : M4(4mm) Flute Length(Approximately) : 20mm/ 0.8";Pitch Size : 0.7mm;SquareEnd Size : 4 x 4mm / 0.16" x 0.16"(L*W) Shank Diameter : 5mm / 0.2";Overall Length : 56mm / 2.2" Weight : 23g;Package Content : 3 x Hand Tap1 x Plastic Storage Case