Fangrui Product Details High-quality Bodies With C3 Mini-grain Tungsten Carbide Blades Bring You A Smoother Experience, And The Strong Wear Resistance Makes It To Withstand The Test Of Time In Heavy-duty Use, Cutting With Precision And Ease. Precision Cuts: 4pcs 1/4 Shank Pattern Flush Trim Router Bits Set, Carbide Template Top Bearing Flush Trim Bits Set, Prevent Tear-out, Perfectly Suitable For Light Work, 1/4inch, 5/16inch, 3/8inch, 1/2inch Cutting Diameter, Flush Trimming Machine Drill Bit Insert Cutting Length: 30mm Suitable For Use With Woods, Mdf, Laminate, Particleboard, Plywood, And More. Not Recommended For Cutting Metal Or Non-wood Materials. Convenient Storage, And Work, Can Easily Finish Grooving, Trimming, And Other Carpentry Work, Is The Choice For All Carpenters And Hobbyists. Router Bit Set Also Includes Two Shaft Sleeve, Convenient To Use. Router Bit Set Is For Woodworking, Edging, Trimming, Grooving, Veining Wood Projects, And For Carpenters And Hobbyists Of All Experience Levels. Mat