PRODUCT DESCRIPTION BoRH Rock Head This adds a new dimension to the standard Aggressor Auger, which allows it to be used as a rock auger. Available in the following sizes. Part No. Description Diameter 137991 6-BORH Kit 6″ 137992 9-BORH Kit 9″ 137993 12-BORH Kit 12″ 137994 15-BORH Kit 15″ 137995 18-BORH Kit 18″ 137996 24-BORH Kit 24″
