D501 Spade Bit Set 5 times faster than standard spade bits. The Sutton Tools spade bit incorporates the latest design technologies for the most powerful and fastest cutting bit on the market. Combining a power chip-breaker and heavy duty shank to increase efficiency and battery life of your power tool, with clean cutting and minimal break out on exit. Designed for drilling in timber and light building materials. Power chip-breaker edge is 5 times faster than standard spade bits Heavy duty shank for maximum strength & durability and greater power transfer providing more holes per battery charge Hex shank for positive grip, preventing slippage in chuck Hole for pulling wires through holes Made from Carbon Steel Manganese Phosphate coating for highest hardness and superior corrosion and wear resistance Technical Specs: Pieces 6 Range 10, 12, 16, 19, 22, 25