Features & Details High-Performance Drilling: The ice drill auger's effective length is: 39 inches, rotating diameter: 8 inches, weight: 6.4 lbs/2.9 kg. It is lightweight, sharp, and durable. It can be used with an electric drill to meet your daily needs. Nylon Material: The auger bit adopts nylon material, the main shaft, aluminum, which are lightweight, durable, and rust-proof. Meanwhile, it has good tensile, impact resistance, and flexibility, saving your labor and time. Sharp & Sturdy Blades: The blades are made of premium steel, sharp and sturdy, cut through ice like a hot knife through butter. In addition, the edges come with a blade guard, which can keep the blades from damage and extend the blades' service time. Extension Rod & Adapter: If you want to extend the length of the ice auger, you can detach the adapter and top plate from the shaft, then attach the extension rod to shaft; finally, fix it with a special bolt. Extension rod length: 11.8"/30 cm. The ice auger bit is equipped with an adapter and a top plate. The adapter allows you to connect the auger with various kinds of the drill. The top plate can prevent you from the hurt of splashing ice. For Ice Fishing: This ice drill is very suitable for ice fishing enthusiasts due to its professional design and lightweight. It can easily punch the Φ8" holes on the hard and thick ice surface, bringing convenience and fun to you.