Usage Tips: Durable: Hardened solid alloy steel main construction with power coat finish for durability and longevity Make the job easier: Precision honed YG8 tungsten carbide blade delivers clean, smooth cuts. accurate on all types of wood and excellent heat resistance Enclosed bearing roller for smooth, aligned operations Universal 1/4-inch shank fits all router models Usage: Perfect for edges, deburring, graining and grooving in all woodworking projects for professional carpenters and hobbyists. Package: Comes with a plastic case wood for easy storage and organization All blades heat treated, with high concentricity and high twist refused. Carbide blade high quality with clean cut, smooth rotation, running light. Mainly used for wood cutting, cryptic, tenon boring and carving, etc. Suitable for chipboard, MDF board, hardwood and softwood. Specification: Bit Color: Red and Silver Shank Diameter: 6.35mm / 1/4 Round Shank Material: 45# carbon steel, YG8 alloy < p> Packing: Wooden box 17.5x12.5x4.8cm / 6.89x4.92x1.89 (L*W*H) Packing instructions Security: 1. Razor blades permanently enclosed in a cartridge or housing with less than 2mm of exposed blade. 2. The bladed product is not intended for persons under the age of 18. 3. The item is for industrial cutting/engraving use only, non-hazardous item. Quantity and Cut Size: Straight Bit:3mm Straight Bit:6mm Straight Bit:12mm Straight Bit:16mm Core Box Bit:R3.2mm Core Box Bit: R6.3mm 90V Grooving Bit: 12.7mm Mortising Bit: 12.7mm Dovetail Bit:12.7mm Panel Pilot Bit:6.3mm Flush Trim Bit :12.7mm Round Over Bit:R9.5mm 45Chamber bit:32mm Cove Bit:R6.3mm Roman Ogee Bit:R4mm Contneu:< /p> 15 * 6.35mm Tail Router Bit 1 * Wooden Box