Professional Quality Shapes natural and artificial nails. Quickly reduces & smoothes nail seams and edges. 2 surfaces heavy duty (100 grit), medium (180 grit). Thank you for your purchase of Trim® Professional Salon Boards. For over 40 years, Trim has been the most trusted name in quality grooming aids, offering the best consumer value by providing quality at a popular price. Trim Professional Salon Boards are cushioned for better grip and ease of use. Our boards are manufactured with high quality materials to assure long-lasting board life. Black Cushion Boards - Heavy, coarse file perfect to smooth, reduce seams and shape artificial nails and tips. Satisfaction GuaranteedTrim products are unconditionally guaranteed to be superior in lasting performance, functionally perfect and free from defects in material and workmanship. Return defective item for replacement to: The W.E. Bassett Company, Trap Falls Road, Shelton, CT 06484. Made in USA