Norton Abrasives Blue Ultrafine P600 - P1000 Grit, Double Sided Sanding Sponges. Blue [ultrafine], P600 - P1000 grit. P600 - P1000 Grit. Green [superfine], P400g - P600 grit. Contours & Edges Tackled Achieve flawless finishes and superior surface prep with Norton Double-Sided Sponges.
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