Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Perfect choice of professionals and hobbyists.4.Cemented carbide constructed,great replacement for your old one. Specification:Color:Silver & YellowMaterial:Cemented CarbideShank diameter: 1/4 inchCutting width:1/2 inchbearing dimension:1-1/8 inch 7/8 inch 3/4 inch 5/8 inch 1/2 inch 3/8 inchRabbet Router Bit Size :51.5 x 29.5mm/2.02 x 1.15 inch(L x Dia) Bearings Bit Size:64.5 x 28.6mm/2.53 x 1.12 inch(L x Dia) Weight: 126gSafety instructions:1. Razor blades permanently enclosed in a cartridge or housing with less than 2mm of blade exposed��2. The bladed product is not use for people under 18 years.3. The item is only for industrial cutting/engraving, not hazardous article Package include:1x Rabbet Router Bit1x Bearings Bit