12 DIFFERENT ROUTER BITS: Cove Box Bit-6.35mm, Bearing cap Bit-6.35mm, Dovetail bit2.7mm, Rounding about bit 6.35mm, Bit changer 45 stock-32mm, Flute Bit with Lager2.7mm, Straight6mm, Straight-6mm, Rounding about bit-9.5mm, 90 "V" Groove Drill2.7mm, Bit d'Ogee Romain-4mm, Straight2mm. SOCKET DIAMETER 6.35mm: All bits have precision ground 6.35mm shank diameter which fits all 6.35mm router machines, forged tool steel end mill set with high quality carbide blades for professional woodworking. MULTI APPLICATION: Forged tool steel end mill set with high quality carbide blades for professional woodworking. Soft and semi-hard wood, MDF panels, plywood, plywood. PORTABLE & MULTI-PURPOSE: It is perfect for woodworking, edging, cutting, grooving, refining wood projects and ideal for carpenters and hobbyists of all experience levels (an Allen key to remove the bearings is included). EASY TO STORE: The package comes with a high quality plastic case for easy storage and makes storing router bits more convenient for DIY home improvement jobs or projects. Variety of options to meet your needs.