Expert Quality, revolutionary auger bits, manufactured with four razor sharp carbon steel cutting edges. Their unique design helps the bits pull themselves through the material when drilling, making tasks effortless whilst delivering perfect holes every time. All sizes have a strong 6.35mm hex shank. Features and Benefits • Expert Quality • Revolutionary auger bits • Manufactured with four razor sharp carbon steel cutting edges • Their unique design helps the bits pull themselves through the material when drilling • Makes tasks effortless whilst delivering perfect holes every time • All sizes have a strong 6.35mm hex shank • Contents: 16, 20 and 25 Contents 3 x Auger bits: 16, 20, 25mm