Professional: - Autoclave Safe - Can be sanitized by any State Board approved method Powerful: - Extreme grit quickly and safety reduces the thickest, toughest calluses - Coarse grit further smoothes rough, craked heels - Long lasting grit won't peel or flake Safe & Versatile: - Unique handle for maximum control - Double sided for convinience, efficiency and value - Can be used wet or dry ...