Precision Synchronized Internal Gearing: With a 1:7.5 speed ratio, this manual tapping machine delivers high torque. Turning the handle and chuck in the same direction ensures fluids movement and superior control during the threading cycle, making it ideal for precision work. Adaptive Clamping Variants for DIY: This tapping set is available in three configurations: 0.6-6mm, 1.5-10mm, and 3-16mm. This flexibility allows the hand tapper to accommodate everything from micro-screws to standard hardware, perfect for various DIY projects. Rugged Metal Housing Performance: Manufactured from high-strength metal, this bench tapper ensures a reliable service life. Its stable chassis prevents vibration, enabling smooth tapping without wobbling, essential for high-precision instrument work. Ergonomic and Portable Design: Weighing only 1.47kg (3.24 lbs), this portable threading machine is easy to relocate. The compact body (120x60x100mm) fits on any desktop, making it a favorite for hobbyists and small workshops. Wide Material Compatibility: This hand crank tapping tool works with soft plastics, hardwoods, and various metals, providing versatility for thread inspection and small-scale production. It handles diverse materials with ease, ensuring reliable performance.