The 4 Series (A4) Augers have as standard 65mm round drive hubs and they are also available in 50.8mm round, 50.8mm hex and 57mm square drive hubs. A4 augers are available in 5 different tooth and pilot styles: Earth (E): suitable for soft ground and sand Tungsten Carbide (TC): suitable for soft ground and sand with better wear properties than Earth Multi Facet Tungsten (MFT): suitable for hard ground conditions including clay Earth/Rock Combo (RC): suitable for harder ground conditions including fracturable rock, asphalt and concrete Dedicated Rock (DR): suitable for fracturable and non fracturable rock. A4 augers suit machines from 800kg to 5 tonnes and torque ratings to 5000Nm. Suitable for PDD to PD4 Earth Drills. Digga 150mm MFT Auger with pin and clip Suitable for all 65mm round drive units Teeth and Pilot: Multi Facet Tungsten Diameter: 150mm Length: 1200mm Drive Hub: 65mm Part #: A4TL-06-2-MFT Also available in: 50.8mm Round Drive Part #: A4TL-06-1-MFT 50.8mm Hex Drive Part #: A4TL-06-3-MFT 57mm Square Drive Part #: A4TL-06-4-MFT