Heavy duty (100 grit). Medium (180 grit). Shapes natural and artificial nails. Smooth and reduce artificial nail seams and edges. Professional quality. Satisfaction guaranteed. Trim products are manufactured to the highest quality standards that have satisfied customers for over 70 years. Heavy, coarse file is perfect to smooth, reduce seams and shape natural, artificial nails and tips. Cushioned for better grip. Satisfaction Guaranteed: Trim products are guaranteed to be superior in lasting performance and free from defects in material and workmanship. Return defective items for replacement. Visit us at www.trim.com. Made in China.