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These versatile sanding blocks are perfect for sanding large surfaces, creating straight edges, making dihedral angles, profiling leading edges, refining marginal edges, and more.
The abrasive grains are "bonded" by an exclusive process to the aluminum backing permanently. What's more, they are virtually indestructible!
These blocks have two abrasive faces, one face with coarse grains (180) and the opposite face with fine grains (320).
The ends of this block are cut at 45° which allows the user to see where he is sanding and to sand in the corners.