4" Diamond Dry Polish Pad Grit 30-buff aluminum backer granite stone marble tile

1 X Grit 30 50 100 200 400 800 1500 3000 Buff. The aluminum backer's arbor is 5/8"-11 Female Thread. (b) 1 Piece of 4" Aluminum Backer (5/8"-11 Female Thread arbor).

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