Dremel TR770 5-Piece Edging Router Bit Kit Flush trim, inlay, or add a decorative edge to your work piece Premium Carbide bits for long lasting accessory life Bits include Dremel logo, model number, and size laser etched onto shank Kit includes 5 router bits ( 1/4-Inch Chamfer, 1/4-Inch Flush Trim, 1/4-Inch Cove, 1/4-Inch Round nose, and 3/16-Inch Beading) Shank Size US: 3/16"