• Dimensions: 1/4 inch wide by 18 inches long.
• Abrasive Grade: 80 Grit (Fine/Medium finishing).
• Grain Material: Semi-friable 1A-X Aluminum Oxide (designed to fracture cleanly during use to maintain sharp cutting edges rather than glazing over).
• Backing Fabric: X-weight heavy cotton cloth backing (engineered to retain structural tension without warping or tearing on narrow band file arms).