Our Auger Adapter provides an excellent solution to ensure compatibility between your drive and bit. With three easy to use configurations available in Hex, Square, or Round shapes whatever fits the configuration of your machine best our adapter will mount securely with minimal effort while ensuring unparalleled strength and durability over time. Plus, installation requires no special tools; simply fit the first dimension onto the drive shaft before fitting on of any size bit that aligns with its second dimension for optimal use.