About this item 8mm Shank Planer Cutter with 6 bearings (1/8", 1/4", 5/16", 3/8", 7/16" and 1/2"). Interchangeable bearings compatible cutting different rabbet depths produce smooth cuts on both surfaces. Industrial grade tungsten carbide blade, heat and buildup resistant Teflon coating, Solid hardened steel body with anti-kickback design. Cuts all composite materials, plywood, hardwoods and softwoods. Use on portable and table-mounted routers. Features: 1.These solutions work best when using a router table. 2.Used to cut hardwood with this pass through. 3.they are tight and flush. 4.Made of cemented carburetor and durable percompatiblemance. Safety Instructions: 1. The bladed product is not compatible use by those under 18 years of age. 2. The item is only compatible industrial cutting/engraving, not dangerous item. 3. At the trephine, wear good protective measures, in case of flying chips in the eyes. Specification: Material: Carb Tip Queue: 8mm Size: As Shown Quantity Shipped: 2 LuckyMeet