The RYOBI 8" Ice Auger Bit is ideal for drilling holes into ice, its centering spike helps with accurate drilling in slippery conditions. With the double-bladed design, it helps quickly remove material while drilling so you can get the job done faster. The durable powdercoat finish helps prevent paint chipping and corrosion. The 8 mm connection allows you to quickly remove or install the bit when needed. The RYOBI 8" auger bit is compatible with the RYOBI 40-Volt Auger