Feature:1. 2 pcs combined milling cutter for the grooving of shaped arc, round, semicircle, and all kinds of arc products.2. Use with electric edge trimmer or electric engraver (machines not included).3. 6.35mm/ 8mm/ 12.7mm shank for option, choose according to practical needs.4. High quality alloy steel material, hard and sharp, sturdy and High quality to use.5. Perfect tool set for woodworking. A wonderful gift choice for carpenter.Specification:2 PCS Tongue and Groove Router Bit Set T Shape Wood Milling Cutter Edge Trimmer Engraver AccessoryFeatures:2 pcs combined milling cutter for the grooving of shaped arc, round, semicircle, and all kinds of arc products.Use with electric edge trimmer or electric engraver (machines not included).6.35mm/ 8mm/ 12.7mm shank for option, choose according to practical needs.High quality alloy steel material, hard and sharp, sturdy and High quality to use.Perfect tool set for woodworking. A wonderful gift choice for carpenter.Note:Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.Specifications:Shank: 6.35mm/ 8mm/ 12.7mm (Optional)Color: YellowMaterial: Alloy SteelPackage Size: 6 * 6 * 4cm / 2.36 * 2.36 * 1.57inPackage Weight: 137g / 4.83ozPackage List:2 * Arc Milling CutterPackage List:2 * Arc Milling Cutter