Package Content: 6pcs 8mm Shank Multi-Purpose Router Bits Industrial grade router bits, C3 micro grain tungsten carbide cutters. High quality alloy steel body, with anti-kickback design, for a cleaner and longer lasting edge. Can be used without the bearing as a standard straight bit, ideal for combination plunge cutting and pattern/template routing Specifications: Shank: 8mm Shank Material: Hard Alloy Size: Please check the pictures Package Content: 6pcs Router Bits 8mm Shank Round Bits Tips: 1. Please always add coolant (such as water) when operating, in case the material temperature becomes very high, even smoke due to long operating time. 2. When the woodworking is blunt, please replace the new tool, do not continue to use it to avoid the cutting tool breakage and injury accidents. 3. When using the cutting tool, please select the blade length larger than the work item. 4. When using, the user is requested to wear safety glasses. 5. The cutter is sharp enough, please keep away