pack list: manual helical drill of 1.5 to 10 mm * 1Note: (Each game includes a mandrel wrench, without helical drills)Using the manual helical drill: water, plastic, rubber, soft metal, bodhi, amber, boneNoyaux d olive, amber beeswax, dentin boneTighten the drill with a stable precision mandrel, close well with high concentricity, stable and not easy to slidebearings Smooth, silent and silencer with large hand helicoid drills smooth and quiet bearings bring a comfortable drilling sensation. More accurate and quieterProduct Name: Helicoid Forens with Tall HeadMaterial: SteelLength: 112 mmWeight: 197 g (216 g with key) Mandrel tightening range: 1.5 to 10 mm polished steelThe handle is made of steel, anti-rust, smooth and no burr, and the exquisite appearance is so attractive. mandrel for high-head hand drill LThe plum flower is easy to enterThe tail plum flower bearing, Round gear design, operation experience with a comfortable hand and saving work.How to use the1 hand drill. Prepare the perforation tool2. The hand drill finds the right bayonet of the forest3. Tighten the4 nut. Turn the hand drill to make holesTips from the shop:1. The size is measured manually, please allow the error (1-3 cm).2. Due to the different pixels of the monitor, there may be a color difference, please refer to the real product. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.