Adjustable Tap Wrench Set M3 M4 M5 M6 M8 M10 M12 with Metric Thread Taps for Hand Tapping Operation

Specifications: Material: Steel Wrench Length: 90mm / 3.54" Tap Size: M3, M4, M5, M6, M8, M10, M12 Tapping On: Aluminum, wood, plastic and other soft materiel Instruction: 1, Insert cone part first and make sure the tap center line agrees with drilling center line. 2, Rotate tap wrench with a even force to feed tap, don't need to add force after feed. 3, Reverse rotate about 45 ° each time rotate tap to cut chip in order to avoid blocking. 4,  If it is difficult to rotate tap, stop adding force or tap will be broken. Package includes: 1 x Tap Wrench 7 x Taps