BMH QC Hex Adapter 7/16'' 11mm for (32mm - 152mm) with Pilot Drill - mandrill for use with standard electric drill with a standard chuckBMH QC Hex Adapter 7/16 inch 11mm for (32mm - 160mm) with Pilot DrillSKU: BMH H2$18.00PriceQuantity*Will be processed in 5 working days.Pre-Order