The Irwin 9/16" x 6" Long Spade Paddle Flat Drill Bit Speedbor Impact 88809 is designed for fast and efficient wood drilling. This high-performance spade bit features a patented Blue-Groove? cutting edge that allows for aggressive removal of wood chips, ensuring faster drilling and cleaner holes. The chamfered cutting edges increase durability, while the 4-inch length provides excellent control for shallow drilling applications. Ideal for use with impact drivers, this spade bit is perfect for both professional contractors and DIY enthusiasts. Features Patented Blue-Groove? Cutting Edge: Ensures faster chip removal and drilling speed. Chamfered Cutting Edges: Increases durability and reduces splintering. 6-Inch Length: Great for most hole drilling applications. Impact Rated Shank: Designed for use with impact drivers for enhanced versatility. Durable Construction: Made from high-quality steel for long-lasting performance. Optimized Point Tip: Minimizes splintering and controls speed for cleaner holes. Specifications Brand: Irwin Model Number: 88809 Diameter: 7/16 inch9 Length: 6 inches Material: Steel Shank Type: 1/4-inch impact rated Weight: 1.6 ounces