Sof-Lex Complete Kit (Ref. 2385P) Finishing & polishing discs for polishing of composite, compomer, metal and ceramic Flexible polishing discs with aluminium oxide coating Discs can be easily changed with the patented Pop-On mandrel system Contains: 240 Standard Discs (1980 Kit), 240 Extra Thin Discs (2380 Kit), 45 Finishing & Polishing Strips & 1 RA Mandrel.