OptiDisc Assorted Kit 15.9mm A combination of different grit size discs for contouring, finishing and high gloss polishing for composite, glass ionomers, amalgams, semi-precious and precious metals. Translucent disc. Enhanced working surface visibility. Flexible. Thin disc allows for greater disc flexibility. Long-lasting. Made of durable polyester impregnated with aluminium oxide particles. Precise. Flush-mounted mandrel and patented retention system ensure precise operation, protecting neighbouring teeth from damage. Ready to use abrasive layer. Uncoated cutting edges for high efficiency from the start. Colour coded for easy recognition of grit size and clinical step Contour: extra-coarse 80µm, Finish: coarse/medium 40µm. Polish: fine 20µm, High gloss polish: extra-fine 10µm. Contains: 20 each Extra-Coarse, Coarse, Fine and Extra-fine