Merit Abrasives 08834154131 240 Grit, Coated, Aluminum Oxide Bore Polisher

Aluminum Oxide B-4 Series Bore Polishers, 240 Grit, 10,000 rpmFeaturesUse with BPM-4 mandrelFour abrasive packs 1 1/2 in wide, bonded to hubPolish and finish in one application

240 Grit, Coated, Aluminum Oxide Bore Polisher Very Fine Grade, 10,000 RPM, Polishes Bores with 3-1/8 to 4" Diam

240 Grit, Coated, Aluminum Oxide Bore Polisher Very Fine Grade, 8,000 RPM, Polishes Bores with 5-1/4 to 5-7/8" Diam

60 Grit, Coated, Aluminum Oxide Bore Polisher Medium Grade, 8,000 RPM, Polishes Bores with 4-1/4 to 5-1/4" Diam

180 Grit, Coated, Aluminum Oxide Bore Polisher Very Fine Grade, 10,000 RPM, Polishes Bores with 3-1/8 to 4" Diam