Experience up to 20-percent higher cut rates when you select the Merit Surface Prep AO medium grit non-woven hook & loop disc. It outperforms competitors by up to 50 percent, and the high-loft nylon fiber, rugged nylon scrim and thick resin bond ensure longevity while adding stiffness. Designed for surface blending jobs on a range of shapes and different metals, including carbon steels, super alloys, titanium, fiberglass and more, the medium grit disc features Clean Bond resin technology, which reduces loading and ensures a smear-free finish.