ITEM NAME:Radius Round Over Edging Router Bit-1/4" Shank Woodworking Edge Cutting Tool Description: - Highly sharpen, sharp blade cutting smooth no burr, no edges - High abrasion resistance, high-precision grinding technology, superior abrasion resistance - Unique head design, chip removal more smoothly - The Stacked Rail and Stile Router Bit will cut both rail and stile in a cove design - Using high-frequency welding technology, strong, durable, and long service life - Purposes for wood, acrylic material edge processing, metal materials can't operation - Applicable for electric trimmer, engraving and milling machine, CNC engraving machine, CNC machining centers and other machine tools Specification: - Body Materials: Solid Hardened Steel - Blade Materials: Micro grain car.Highly sharpen, sharp blade cutting smooth no burr, no edges. - Size: Approx. 1/4" x 3/4" (Shank x Radius). - Unique head design, chip removal more smoothly. - Bearing: Totally enclosed & lubricated.