Durable materialThe manual auger is made of high-quality carbon steel material, which is sturdy and durable. Professionally grind each spiral to obtain active sharpness and perfect drilling. Self-tapping screw design is convenient for manual drilling. Spiral designEach spiral is professionally polished, sharp. The edge of the drill bit is finely polished, and the wood rotating back and forth in the middle does not hurt your hands. This is the perfect tool for any outdoor enthusiast, shrub craftsman, carpenter or craftsman, etc. Perfect SizeDiameter = 2.5cm/1inch, width = 4cm/1.5inch, total length = 16cm/6.2inch & cutting diameter = 2.5cm/1inch. Suitable for larger wooden rods to obtain greater torque and easier drilling Camping Survival EquipmentSmall size, light weight, easy to carry. The spiral drill is equipped with a very cool leather case. The PU leather material allows it to be stored separately without damaging the camping bag. Suitable forHand drill bits can be used to drill mallets, ladders, maple syrup taps, etc. It is the perfect tool for any outdoor activities, jungle crafts, camping, handyman, etc. This Hand Auger might be the most important piece of survival gear and equipment you own.