Dura-Block 7 Piece Sanding Block Hook & Loop Kit Smart Repair AF44HL. - AF4421 - 11"L Thickness: 1-1/4" Hook & Loop Round Block - Round block for highly curved surfaces. - AF4420 - 3/4"H x 1-3/8"W x 11"L Hook & Loop Block - Standard block for flat and contoured panels.
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