Description: Highly sharpening, smooth without Burrs and Sharp Blade Cutting edges, without High Abrasion resistance, High Precision Grinding Technology, superior abrasion Resistance Single Head Design, Chip more smoothly The use of High Frequency Welding Technology, Strong, durable, and long life Coating Baking Coating prevents the accumulation of Heat Resistant resin, Sawdust, and Step. Specification: Material: Carbide Color: as Picture shows Shank Diamter : 1/4inch(6.35mm) Cutter Diamter :Approx. 1- 1/2" and 1" Cutter Height: Approx. 1/2" and 3/8" Package Includes: 2Pieces Router Bits 2Pieces Bearings