Merit Mandrel Extension for Bore Polishers & Quick-Change Back-up Pads

To extend a B-3 series bore polisher, attach the QC-5 Ext. to the bore polisher, then attach the desired length extension mandrel to the QC-5 Ext. To extend a B-4 series bore polisher, attach the adapter piece of the BPM-4 mandrel to the bore polisher, then attach the desired length extension mandrel to the BPM-4 adapter piece. To extend a B-8 series bore polisher, attach the desired length extension mandrel directly to the bore polisher.