Precision grinding: Mini size design, deep into nail grooves, rear edges and other detailed areas, more thorough treatment of dead skin and residual glue. Wear-resistant and durable: Uniform sand surface without sand shedding, service life 3 to 5 times that of ordinary sand rings, less prone to overheating. Multiple mesh sizes available Available in four mesh sizes: 80#, 120#, 180#, and 240#, it is suitable for different needs such as rough grinding, fine grinding, and polishing. • Convenient installation: Equipped with a stainless steel shaft, it can be installed and removed quickly and is compatible with most nail polish grinding machines