Smedent super quality Carbide cutters have been engineered and developed with the latest high end Swiss Machinery to enable maximum cutting efficiency, accuracy ,smooth and better running with a long life; We have Super Fine (yellow Ring),Fine(Red Ring) and Standard(Blue Ring) working for Precious & non-precious Alloy and composites; Coarse(Green Ring) Super Coarse (Black Ring),Standard(Blue Ring) working for Acrylics and Plaster , and Fine (Purple Ring) working for Acrylics and Titanium; And Cutting Toothing includes cross cut ,plain cut and plain cut with fine spinal groove. ISO 220 Cross cut coarse L mm 12.5 13.0 15.0 12.0 11.0 12.0 12.0 14.0 14.0 Size mm 6.0 4.5 6.0 6.0 6.0 6.0 6.0 7.0 6.0 Order.No. 6630401 6630402 6630403 6630404 6630405 6630406 6630407 6630408 6630409 ISO NO.500.104... 143220060 200220045 201220060 237220060 257220060 257220060 263220060 263220070 275220060