8 Inch K-Drill ice drill assembly features an easy drive connection any rechargeable drill with a 1/2'' Chuck. Drive pin for electric rechargeable drills easily removed if customer wishes to drive with any 7/8'' (.875'') Gas power head that has a clockwise Rotation. The lightweight aluminum shaft with lightweight cast aluminum drive head holds offset chipper blades at the optimum cutting Angle. Anti-chatter design allows for ease of re-opening old partial holes. The durable light weight plastic flighting has a smooth plastic surface that prevents water from freezing to its surface and it floats if it ever accidentally comes out the drive chuck. The heat treated blades cutting blades are interchangeable for Re-Sharpening, center Tip controls the speed of cut while offset chipper blades make a balanced cut (both blades are cutting on opposite sides of the hole). head and blade combination provides for optimum cutting rate with the minimal amount of torque transferred to the operator making break-through easy with minimal torqueing/twist.