The 1-1/2in Self-Feed Bit from Irwin's Speedbor Supreme line is designed for efficient drilling in wood. This bit features a self-feeding design that allows for quick and easy penetration, reducing effort and time. Made from high-quality steel, it ensures durability and longevity. The 1-1/2-inch diameter is ideal for various applications, including plumbing and electrical work. Its precision tip guarantees accurate drilling, while the robust construction ensures reliable performance. Perfect for both professionals and DIY enthusiasts, this self-feed bit is a valuable addition to any toolkit.