Four-sided polishing block with a fine grain surface. Intended mainly for mattifying the nail plate. 180 gradation.Use:Shape the nail using Semilac nail file, then mattify the nail plate with Buffing Block. Be careful not to overfile the nail so as not to damage it. Degrease the nail using Semilac Nail Cleaner and your nails are ready for UV gel manicure application. SEMILAC Nail buffing block