①. Usage Tips: Face milling cutter with 4 flutes, planer cutter for wood, suitable for router, 51mm shaft, 8mm yellow. ②. The sharp carbide bit is made of solid hardened steel with an anti-kickback design. Precise cutting reduces debris and burrs. High-precision grinding technology contributes to stable and efficient performance. ③. Precision Size: 8mm shank cutter for spoilboard surfaces, 51mm cutting diameter, 12.7mm cutting height. ④. 4 wings enable a quick and clean cut on project material, suitable for projects of various complexities. ⑤. This cutter is not only applicable for smoothing, threading or planing the surface of the spoiler board, but also for trimming and slotting/grooving. ⑥. Suitable for solid wood, MDF, laminate, chipboard, compact plywood, acrylic, etc. Avoid cutting metal and non-wood materials. ⑦. Features：Design: Can be used to rebuild or plan the surface of the spoilboard. ⑧. Practical: 4 wings enable a quick and clean cut on project material, suitable for projects of various complexities. ⑨. Application: Suitable for wood, chipboard, MDF, compact plywood. ⑩. 4 blades ensure a quick and clean cut of project material, suitable for projects of various complexities. ⑪. Designed for desktop engraving machines (such as CNC handheld and table routers), and cannot be used in electric drills and drills. ⑫. Specifications：Material: Durable Carbide, Carbon Steel; Shaft: 8mm; Cutting diameter: 51mm; Cutting length: 12.7 mm. ⑬. Scope of delivery: 1 x Spoilboard Router Bits.