Abrasive monofilament Uni-grit,medium stiff 1.1mm (0.044") 6/12 nylon incorporating 120 grit silicon carbide abrasive. It can be used to replace green pads for mildly aggressive wet scrubbing of resilient, non-slip flooring, ceramic, terrazzo, quarry tile and concrete floors. Designed to outlast over 100 pads without clogging up.