- Fits Tap Size M2-M8 (Metric Tap) with a die-cast body (3mm-6mm) and knurled steel handle for high hardness and wear resistance and long service life. - Applications: hand tap holder clamps different taps for tapping operations. It can also be used with drills, reamers, screw extractors and other small tools that need to be rotated manually. - Features: one rigid handle and one adjustable handle allow the jaws to clamp tools easily and firmly. The straight tap wrench provides great leverage and is specifically designed for larger diameter taps. - Easy to use: works with both hands to turn the tap wrench in a controlled direction to process, repair and clean the internal thread. - Use scenarios: - Tapping through metal panels, plates or brackets during repair or assembly. - Reworking damaged internal threads in housings, engine blocks, or threaded holes. - Rotating drills, reamers, or screw extractors in tight or confined spaces.