Brocraft Ice Auger, 8" Diameter Ice Fishing Auger Drill Bit / 8" Ice Auger Bit with Drill Adapter & Top Plate for Ice Fishing. Super strong materials, crafted from high-quality engineered Nylon, keep the unit lightweight while maintaining flexibility and impact resistance in cold temperatures. Hexagonal aluminum inner stem shaft efficiently transfers power from the drill to the cutting head.The included 9.5inch Stopper Disc i s slightly wider, allowing you to cut with confidence, knowing that you won't lose your drill or auger down the hole. The included 9.5inch Stopper Disc is slightly wider, allowing you to cut with confidence, knowing that you won't lose your drill or auger down the hole. Razor-sharp steel blades, along with the center-point blade, promote stability and smoother cutting