Jonmon 8Pcs Metric Thread Machine Tap Set, M3-M12 Hand Screw Thread Plug Taps TAP WRENCH - The adjustable tap reamer wrench designed to be used with taps, reamers, screw extractors, etc. Designed with long Straight handle to provide more leverage than T-Handle wrenches, used for holding larger taps. PREMIUM QUALITY - Threading tap set is made of durable alloy steel for strong toughness, which won?t easy to break teeth. The die hole is smooth for removing the chip quickly and reducing friction. PRODUCT SIZE - The size of metric tap is M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5 and M12x1.75 respectively. The length of the reamer tap machine wrench is 19.5cm(7.67inch). This set can meet all your need for your tapping work. CONVENIENT TO USE - The wrench is easily adjusted by twisting the handle, very convenient and practical. Easy to carry, it can be operated freely in a small space. WIDELY USE - It great for thread repair, tapping metals, woods, aluminum or plastics, simultaneous chip removal and tapping. Suitable for bicycle repair, assemble furniture, machinery manufacturing, etc.