Specifications:The swaging tool bit is easy to use, it can be connected with electric drill directly.it is made of high speed steel, which makes the bit wear resistant and corrosion resistant.This swaging tool bit features high efficiency and high precision, which can save your time and energy.Item Name: Swaging Tool BitMaterial: High Speed SteelFeatures: High Efficiency, Easy to Use, High PrecisionSpecifications:Style A Swaging Bit Size Range: 6.35mm/0.25", 9mm/0.35", 12.7mm/0.5" (Approx.)Style B Swaging Bit Size Range: 6mm/0.24", 9.5mm/0.37", 12mm/0.47" (Approx.)Size: 10.5cm x 1.4cm x 0.5cm/4.13" x 0.55" x 0.2" (Approx.)Connecting Handle Outer Diameter: 6.8mm/0.27" (Approx.)How To Use:1, When using this product, please try to maintain a stable squeeze at a medium speed, If there is annealing, reduce the speed again.2, When expanding the tube, try to keep the balance between the copper tube and the tube expanding rod.3, If conditions permit during use, apply antifreeze oil (or other lubricating liquid) to the head of the tube expander for better results.4, If the drill clamp is worn out or become slippery, can open a small triangular edge at the connecting handle, which can effectively prevent slipping.Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Swaging Tool Bit