Sandwox Dual Density Sanding Block, 2-Pack, SHB-60125 Fiberglass sanding 10 per box in 180-4000

10 per box in 180-4000 grits

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gelcoat and solid surfaces

Deep jet black

Sand area to be refinished with 400 grit sandpaper

Sandwox Dual Density Sanding Block, 2-Pack, SHB-60125 Fiberglass sanding 10 per box in 180-4000Product Overview: Sandwox Dual Density Sanding Block, 2 Pack (SHB 60125) evenly distributes applied pressure while keeping the sandpaper flush to the surface being sanded. Extremely versatile, these Sandwox blocks are soft on one side and firm on the other. Dual density blocks are typically used in different stages of primed surface treatment or paint defect removal with waterproof sanding sheets. Easily cut with a sharp knife or razor blade if