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 Using high-frequency welding technology, strong, durable, and long service life Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Body --Solid Hardened Steel Blade - Industrial grade micro grain carbide Color:yellow,silver Length:3"(76mm) Shaft:1/2"(12.7mm) Router bit diameter:1/2 "X 1-1/8" Package Includes: 2PcsTongue Groove Router Bit