Tap Wrench: Fit tap size: M6-M14 (mertic taps) / 3mm-13mm. Die-casting body and steel knurled handle offers high hardness and wear resistance for long service life Applications: Hand tap wrench can clamp various taps for tapping operations. It also can be used with drills, reamers, screw extractors and other small tools that need to be rotated manually Features: Tap wrench has 1 rigid handle and 1 adjustable handle that adjusts the jaws to clamp tools easily and firmly. Straight tap wrench provides great leverage, and is specially designed for larger-diameter taps Easy To Use: Operates with both hands to rotate the tap wrench in a certain direction to process, repair and clean the internal thread Tips: The force of both hands must be even when operating the tap wrench. The wrench and the tap should form an angle of 90 degrees, and the tap and the threaded bottom hole are perpendicular to each other