【Tap Wrench】: Suitable for tap size: M6-M14 (Mertic taps) / 3mm-13mm.Die-cast body and knurled steel handle provide high hardness and wear resistance for long service life 【Applications】: The hand tap holder can clamp various taps for tapping operations.It can also be used with drills, reamers, screw extractors and other small tools that need to be manually rotated. 【Features】: The tap wrench has 1 rigid handle and 1 adjustable handle that adjusts the jaws to clamp the tools easily and firmly.The straight tap wrench provides excellent leverage and is specially designed for larger diameter taps 【Easy to Use】: Operate with both hands to rotate the tap wrench in a certain direction to process, repair and clean the internal thread. 【Tips】: The strength of both hands must be equal when using the tap holder.The wrench and the tap should form a 90 degree angle, and the tap and the bottom threaded hole are perpendicular to each other.