pack list: manual helical drill of 1.5 to 10 mm * 1 Note: (Each game includes a mandrel wrench, without helical drills) Using the manual helical drill: water, plastic, rubber, soft metal, bodhi, amber, bone Noyaux d olive, amber beeswax, dentin bone Tighten the drill with a stable precision mandrel, close well with high concentricity, stable and not easy to slide bearings Smooth, silent and silencer with large hand helicoid drills High quality smooth and quiet bearings bring a comfortable drilling sensation. More accurate and quieter Product Name: Helicoid Forens with Tall Head Material: High Quality Steel Length: 112 mm Weight: 197 g (216 g with key) Mandrel tightening range: 1.5 to 10 mm High quality polished steel The handle is made of high quality steel, anti-rust, smooth and no burr, and the exquisite appearance is so attractive. High quality mandrel for high-head hand drill L The plum flower is easy to enter The tail plum flower bearing, Round gear design, operation experience with a comfortable hand and saving work. How to use the 1 hand drill. Prepare the perforation tool 2. The hand drill finds the right bayonet of the forest 3. Tighten the 4 nut. Turn the hand drill to make holes Tips 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.