For appearance and comfort every handle is shellacked, To prevent corrosion every ferrule is bright zinc plated, Style: 3, Length: 5"", Diameter: 1-5/16"", Bore Size: 1/4"", Depth: 2-3/4"", Used With: 8 to 12"" Files, Material: White Birch Heavy Steel Ferrule, SKU: ORSNO16487