Merit Abrasives Aluminum Oxide B-4 Series Bore Polishers, 60 Grit, 22,000 rpm

Aluminum Oxide B-4 Series Bore Polishers, 120 Grit, 22,000 rpmFeaturesUse with BPM-4 mandrelFour abrasive packs 1 1/2 in wide, bonded to hubPolish and finish in one application

Aluminum Oxide B-4 Series Bore Polishers, 180 Grit, 22,000 rpmFeaturesUse with BPM-4 mandrelFour abrasive packs 1 1/2 in wide, bonded to hubPolish and finish in one application

Aluminum Oxide B-4 Series Bore Polishers, 80 Grit, 22,000 rpmFeaturesUse with BPM-4 mandrelFour abrasive packs 1 1/2 in wide, bonded to hubPolish and finish in one application

Aluminum Oxide B-4 Series Bore Polishers, 60 Grit, 20,000 rpmFeaturesUse with BPM-4 mandrelFour abrasive packs 1 1/2 in wide, bonded to hubPolish and finish in one application

Aluminum Oxide Interleaf Bore Polishers, 80 Grit, 22,000 rpmFeaturesUse with BPM-4 mandrelExtension mandrels are available for deep holesPolish and finish in one application