Features:_x000D_ _x000D_ Wrench and taps are made of high quality steel for durability and long service life. _x000D_ Tap wrench is very convenient and practical and it is a necessary tool for tapping. _x000D_ Adjustable chuck easily and firmly clamp the tap. Mainly used for hand tapping operation._x000D_ _x000D_ This set contains four taps in different size for tapping various threads. _x000D_ It is a great tool set used to create screw threads on wood, plastic, aluminum or many other soft materials._x000D_ _x000D_ _x000D_ Specifications:_x000D_ _x000D_ Material: Bearing steel _x000D_ Tap Size: M3, M4, M5, M6 _x000D_ Tapping On: Aluminum, wood, plastic and other soft materiel _x000D_ _x000D_ _x000D_ Instruction: _x000D_ 1, Insert cone part first and make sure the tap center line agrees with drilling center line._x000D_ 2, Rotate tap wrench with a even force to feed tap, don't need to add force after feed._x000D_ 3, Reverse rotate about 45 each time rotate tap to cut chip in order to avoid blocking._x000D_ 4, If it is difficult to rotate tap, stop adding force or tap will be broken. _x000D_ _x000D_ Package includes:_x000D_ _x000D_ 1 x Tap Wrench _x000D_ 4 x Taps