Dynabrade 79201 1/2-Inch by 18-Inch Belt Assortment Pak, Assorted A convenient sampling of popular coated and non-woven nylon belts Top-Quality abrasives DynaCut Z/A coated abrasive belts; Versatile, high-performance mineral that is sharp, hard and tough DynaBrite Surface Conditioning Non-Woven Nylon belts; Tough, reinforced Non-Woven Nylon impregnated with abrasive grain and resin For general purpose material removal and surface conditioning