Tap wrench: Suitable for M6-M14/3mm-13mm thread sizes. Die-cast housing and knurled steel handle provide high hardness and wear resistance for a long service life. Applications: The hand tap helps tighten various taps for all threading operations. It can also be used with drills, reamers, screw extractors, and other small hand-turned tools. Features: The tap wrench features a rigid handle and adjustable jaw adjustment for easy and tight clamping of tools. The straight tap wrench provides perfect leverage and is especially suitable for large-diameter taps. Easy to use: For repairing, machining, and cleaning internal threads, it works with both hands by turning the tap wrench in one direction. Tips: When handling the tap wrench, the force of your hands should be even. The wrench and tap should form a 90-degree angle, and the tap and the lower threaded hole should be perpendicular to each other.