Description: Professional Quality Router Bits, Solid Steel Bodies with Anti-Kickback Design. Anti-Kickback design, control cutting depth, to work safely. Carbide Tipped Blades provide long-lasting performance. Can work on different board thicknesses for height variations. Used only on router countertops to cut all synthetic materials, plywood, hardwood and cork. Specification: Material: Carbide Shank Diameter(6 blades): 8mm Cutter Diameter(6 blades): 1-1/4" Cut Depth(6 blades): 1-5/8" Bearing Diameter(6 blades): 3-3/4" Shank Diameter(5 blades): 8mm Cutter Diameter(5 blades): 1-7/8" Cut Depth(5 blades): 1.46" Bearing Diameter(5 blades): 7/8" Cutter Kerf(5 blades): 5/32" Package Includes: 2 Pieces Finger Joint Router Bits Note: Please allow slightly measuring deviation due to manual measurement