【EXTREME PERFORMANCE SERIES】5 inch orbital sanding discs are made up of long lasting aluminium oxide, suitable for woodworking and metalworking applications. 【ULTRA DUST EXTRACTION】Hole configuration on the discs have been especially designed to provide best-in-class dust extraction. 【Hook & Loop】Strong velcro back keeps each disc in place while making disc placement and removal effortless. 【Consistent Polishing】Open-coat allows for even scratch pattern. A special stearate layer is applied to maximize resistance to clogging or peeling, offering remarkable polishing effect. 【MULTI-GRIT & UNIVERSAL COMPATIBILITY】Linconson’s sanding discs are available in a variety of grits for all your needs. Discs are compatible with universal orbital sanders including DeWalt, Bosch, Makita, Black+Decker, Ryobi, Porter Cable and more.