【PRECISION CONVERSION】Converts a 2″ Male Round power head to a 2″ Male Hex output to fit 2″ Female Hex auger bits. 【TECHNICAL SPECIFICATIONS】This heavy-duty adapter features a 2″ Female Round interface (secured by 2 qty 1/2″ bolts) and a 2″ Male Hex interface (secured with a 7/8″ pin or bolt).