Freud 38-314 Quadra- Cut 1-9/16-Inch Diameter Cove and Bead Router Bit with 1/2-Inch Shank Model: 38-314 Tools & Home Improvement New Quadra- Cut Design 1-9/16-inch diameter, 1/4 inch radius, 1/2-inch shank Features Freud's Tico High Density carbide with Titanium for long life The 2 + 2 cutting technology provides the finest finish in crossgrain applications. Cuts all Non-Stick Perma-Shield coating to resist heat and reduce pitch build-up Freud's Limited Lifetime Guarantee