Merit Abrasives 481-08834181061 Aluminum Oxide Cartridge Roll Test Kit

The B-3 Series Bore Polishers have three abrasive packs 1-1/2" wide, bonded to the hub; they are used for 5/8" to 1" interior diameter bores; use Merit's QC-5 Mandrel with B-3 Series Bore Polishers^The B-4 Series Bore Polishers have four abrasive packs 1-1/2" wide, bonded to the hub; use for 1" to 4" interior diameter bores; use with Merit s BPM-4 Mandrel^The B-8 Series Bore Polishers have eight abrasive packs 1-1/2" wide, bonded to the hub; use for 2" to 5-7/8" interior diameter bores; use with Merit's BPM-8 Mandrel^Choose the durable High Performance (HP) Mini Grind-O-Flex Flap Wheel for heavy stock removal^Choose the flexible Super Finish (SF) Mini Grind-O-Flex Flap Wheel for applications requiring a finer finish