The 150 mm diameter StickFix Platin 2 sanding discs are an ideal abrasive for super-fine finish on fillers, finish coats, solid surface, fiberglass, and plastics. Platin 2 sanding discs range from S400 up to S4000 grit abrasives for extra fine sanding. A foam-backed, silicon carbide-based abrasive with a stearate coating specially developed for high gloss finishes on closed surface materials. StickFix hook and loop design for quick and efficient abrasive changes.