This versatile pack includes 3 Auger Drill Bit Extensions in lengths of 20/30/50cm, all with a common shaft diameter of 3/4 inch. Use them individually or combine them based on task requirements, providing a practical solution that saves time and enhances work efficiency. Expand your drilling depth effortlessly with these extension rods. They allow your spiral drill bit to reach greater depths without replacing the entire bit. Designed to maintain maneuverability in tight spaces without compromising performance, they are ideal for a wide range of applications. Constructed from durable metal materials, these spiral drill extension rods offer high strength and hardness. They resist bending and deformation under pressure, while the black coating enhances durability and provides protection against corrosion, ensuring long-lasting use. The extension rods feature a simple and secure connection system. Attach them end-to-end using a bolt and pin for locking. Designed to fit precisely between the engine power head and auger, they ensure stability and precision during drilling operations. Suitable for various tasks such as pre-drilling in wooden structures or boring through soil, these extensions are ideal for woodworking, construction, gardening, and pipeline installations. Increase your augers flexibility and tackle diverse projects with confidence. Note: The actual product may vary slightly in color due to lighting and display differences, which does not affect functionality. Material: Metal Color: Black Package Contents: 3 x Auger Extension Drill Bits (approximately 20/30/50cm) Note: Light reflection and different displays may cause slight color variations. Measurement error allowed is +/- 1-3cm.