Resin backed and last 3 times longer than standard sandpaper. Safe up to 22,000 rpm. Grind and polish castings, port heads, and finish small parts. Arbor hole is 1/8", use only with mandrels listed. Note: Different sizes and grits available. 80 grit (coarse); 120 grit (medium); 240 grit (fine) 320 grit (extra fine). When working on Aluminum or other soft metals, use Grinder's Grease for a smoother cut. Save by ordering the Tight Spot Grinding Kit or order different size and grits individually from chart.

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