Fibre discs are offered in various types to meet different application needs. Fibre discs are served with a total of 7 different types of Silicium Carbide, Aluminum Oxide and Zirconium abrasives, generally from 24 grit to 120 grit, from 100mm diameter to 230mm diameter, with various types such as 4 slotted, 8 slotted, slitted, round hole and depressed center.