Feature: 1. Specifications: Compression flush trim router bit, double spiral design, with 1/4 inch shank, 1 inch cutting length, 1/2 inch cutting diameter, compression cutting, top and bottom bearing 2. Sturdy Structure: Using high strength steel shank and tungsten steel carbide edges, this flush trim router bit has high hardness, impact resisting, and provides long lasting durability and performance 3. High Performance: Compression flush trim router bit has the advantages of long lasting sharpness, fast chip removal, less heat accumulation, cleaner cutting edges, and longer service life 4. Applicable Materials: Spiral router bit is very suitable for trimming particleboard, medium density fiberboard, density board, melamine board, veneer plywood (laminated board), solid wood, and more 5. Wide Applications: This double spiral router bit is suitable for any flush trimming situation and is a practical choice for pattern or template work. It can be installed on bench or handheld routers for use Specification: Item Type: Flush Trim Router Bit Material: 45 Steel, Tungsten Carbide Shank: 1/4 Inch Shank Cutting Length: 1 Inch Cutting Diameter: 1/2 Inch. Package List: 1 x Flush Trim Bit 1 x Storage Box Note: After each use or after working continuously for half an hour, please remove the sawdust covering the flush trim router bit to extend the lifespan.