1Impact Resistance: Solid hardened steel body with anti retraction design, high accuracy, special impact resistance, sturdy and durable 2Heat Resistant PTFE Coating: Heat resistant PTFE coating prevents accumulation of sawdust, resin and spacing 3Of Sharpness And Durable: Good quality alloy blades are heat treated, of sharpness and durable, accurately balanced, and run smoothly 4High Cutting Accuracy: Straight shank quenched handle, durable and wear resistant. The alloy blade adopts advanced welding, with high cutting accuracy and good finish 5Mirror Like Polishing Layer: The cutting knife after CNC ground to a grit of 600, with a mirror like polishing layer, which is very efficientItem Type: Tongue Groove Router BitMaterial: Tungsten steel + alloyPurpose: 120 tenon milling cutterColor: Silver + yellowBlade: Industrial grade micro grain cemented carbideCutter: CNC ground into 600 grit, mirror like polishing layerTool Handle Diameter: 1/2inCutting Length: 1inCutting Depth: 1/2inNumber of Grooves: 2Minimum Inventory Thickness: 1/2inMaximum Inventory Thickness: 1in2 x Tongue Groove Router Bit2 x Storage BoxWhen drilling holes, please wear protective measures to prevent the sawdust from splashing into your eyes.