Ideal for professional woodworkers, furniture maker, and DIYer enthusiasts requiring high precise trimming, copying, and edging forming tasks in woodworking projects Perfect for cabinetmaking, door / window frame trimming, and intricate engraving working on materials like hardwood, softwood, or composite panel using handheld routers or table mounted milling machines Crafted from 45 # carbon steel with wear resistant and 8mm shank, these router bit include closed ball bearing to minimize frictions, ensuring accurate cut on plywood, hardwood, and panel This woodworking tool set includes four flush trim bit with 8mm shank compatibility, engineered for repeatable precise and extended durability across multiple applications This flush trim router bit set features a double edging cutting design for efficient wood trimming, with integrated ball bearing for smooth operations on various wood materials, Manufacturer: ERRORY