Premium MaterialMade of 45 high carbon steel and alloy, high quality welding, stable quality and high efficiency. Cutter SizeShank Diameter: 8mm; Cutting Diameter: 14mm; Cutting Length: 50.8mm; Total Length: 91mm Use ForThe main function is trimming, three-dimensional clearance angle, slotted Wide ApplicationTop Bearing Router Bit Set Cuts all composition materials, MDF, solid wood, particle board, plywood, etc. Woodworking Cutting Tool - Flush Trim Router Bit with 8mm Shank, Extra Long Straight Router Bit Cutting Blade Features: 1. Sharp edge, high hardness, high quality welding, stable quality, high efficiency 2. Solid hardened steel bodies with anti-kickback design provide increased strength and maximum resistance 3. Totally enclosed and lubricated 4. Top and bottom bearing router bit is perfect for all your large trim applications 5. This bit can be used with either a top or bottom jig. Particularly useful for template work when routing rounded or curved wood with sensitive end grains /p> Shank Diameter: 8mm Cutting Diameter: 14mm Cutting Length: 50.8mm Total Length: 91mm Please Note: 1. Please wear good protective measures, in case of wood chip splashing damaging eyes 2. The cutter is quite sharp, please keep away from children Package Content: 1pc x Flush Trim Router Bit