Sharper ceramic granules giving a keener cutting edge. Engineered to outlast every competitive belt in it's class. This belt has more features than longer than your arm. Improved Y-weight polyester cloth finish with better grain retention and edge fray resistance. Improved resin system for cooler cutting and better grain retention The bright orange color is the one to reach for. To be sure, these belts aren't cheap but they will out last others and stay sharper longer. A sharp cutting belt will give you much better control over your grinding with less slips and bobbles that can ruin and hours worth of grinding time and drive you slowly to madness. Advanced 'supersize' lubricant keeps cutting temps down. Improved fractionability keeps cutting edges sharp. Lowers grinding costs by faster cutting, cooler cutting and longer lasting belts. These are the ultimate in a quality grinding belt.