General description This is a 12 x 250mm Bastard Cut Round File made from hardened and tempered carbon chrome steel. It is designed for shaping, smoothing, and finishing metal surfaces with precision. Technical specifications Material: Hardened and tempered carbon chrome steel Type: Bastard cut Shape: Round Dimensions: 12mm diameter, 250mm length Compatibility and accessories Suitable for use with various hand tools and files Sold without handles; handles can be purchased separately Installation Insert the file into compatible handles if required for better grip and safety Usage Use for filing and shaping metal surfaces Apply steady pressure to achieve desired finish Other information Carbon chrome steel hardened and tempered with rust preventative finish and dipped in rust preventative oil This is a Draper product.