Premium zirconium grain is sharper, more durable and cuts cooler than standard aluminum oxide Bi-directional flush joint runs smoothly in both directions. Made with heavy-duty, X-weight cloth to resist tearing and stretching Double resin system resists heat and humidity for longer life Application: Cuts faster on wood; lasts longer when grinding metal, fiberglass, plastic and other hard surfaces

• Pack Quantity -> 4
• Size -> 3 in. x 21 in.
• Grit -> 40