The cross denture divides the instruments into individual elements arranged alternately (crossed). Short, granular chips. Smooth cutting with almost no pressure. E/EF = fine/extrafine cross denture for acrylics and metal alloys. ISO: 500 204 194190 040 - Maximum Revolution: 100,000 rpm - ROUND CONICAL GRAIN Diameter: 040 - Shank: CONTRAANGLE - Application: RETOUCHING ACRYLIC, METAL, AND PLASTER - Packaging Quantity: 1