Perfect Size: The diameter is about 2.5cm, the width is about 3.8cm inches, the total length is about 25cm, and the cutting diameter is about 2.5cm. Fits larger wooden rods for bigger torque and easier drilling! Camping Survival Gear: Throw it in your jungle craft backpack like a great jungle craft tool, instead of other manual primitive tools and jungle craft survival tools. It even comes with a leather sheath! Product Versatility: Used in cork/greenwood projects, such as fish traps, chairs, mallets, ladders and, especially, survival shelters. Heavy Duty Steel: The auger bit is made from high quality hardened oxidized steel material, strong and durable. It's the perfect tool for any outdoor enthusiast, shrubbery crafter, carpenter or craftsman, etc. Durable and Sharp: Professionally grind every spiral, positively sharp, with perfect holes , a self-tapping pilot screw design, convenient for manual drilling.