Usage Tips:Application: Professional router flush milling cutter, excellent concentricity for fast, smooth and precise cuts for laminate and jig work, for precisely cutting wood edges. Features: Milling cutter straight flute, with double edge cutter and replaceable ball bearing, smooth operation, excellent concentricity, for edge finishing. : YG8 alloy flush cutter head, body of 45# carbon steel cutter, surface coated with heat-resistant coating, long-lasting performance, precise cuts for laminate and template work. Wide range of applications: the copy milling cutter cuts all composition materials, particle boards, plywood, hard and soft wood, MDF and other solid boards, suitable for all types of wood cutters. Package contents: the milling cutter set router contains 4 wood copying cutter with 8 mm shank (8 1/4' 25, 8 5/16' 25, 8 3/8' 25, 8 1/2 ' 25). Professional milling cutters for woodworking.