Sponges must be marked with grit. Every sandpaper I bought was always marked. You may be able to spot higher and lower grit sponges in a pack, but it's hard to distinguish between 150 and 120 grit.
MAPORCH 2 Pack Steel Wool And Gap Blocker Set - 3.2βX7.5 Ft Control Fill Fabric And Brass Wool For Protection Against Animals, Wall Cracks, Vents, And Pipeline In Garden, House, And Garage
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π¦ A16010600Ux0647 Abrasive Sanding Sandpaper Mandrel" -> "High-Quality Abrasive Sanding Sandpaper Mandrel (Model A16010600Ux0647)
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