Description: Create beautiful door and window casings using this casing router bit Casings conceal open seams around newly installed windows and doors. Using this bit you can create casings that are at least 2 inches wide. Industrial Quality,durable. Build-Up Resistant Coating Specification: Window Casing Router Bit Type: #C: Tower Model Shank Diameter: 1/2"(12.7mm) Cutting Depth: 1/4'' Cutting Length: 2-1/2'' Largest Diameter:1-3/8'' Overall Length: 4-1/8'' Number of Flutes: 2 Bit Construction: Carbide Tipped Package Includes: 1 Piece Window Casing Router Bit Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment