7pcs Thread Steel Tap Tapping Tool M3 M4 M5 M6 M8 M10 M12 For Spare
Size: M3, M4, M5, M6, M8, M10, M12. 2, Rotate tap wrench with a even force to feed tap, don't need to add force after feed. 4, If it is difficult to rotate tap, stop adding force or tap will be broken.