The Onsrud 67-031 Solid Carbide router is a high-quality, precision router bit designed for cutting fiberglass. Made in the United States, this router features a 1/2 inch diameter and a 1-1/8 inch shank size. With a weight of 12/15 FL 1/2 x 1-1/8 x 3 inches, this durable tool is perfect for professional woodworking applications. The carbide construction ensures long-lasting performance, making it a reliable choice for any workshop or job site.