Product DescriptionA 7-1/2 inch SDS MAX Drive Shank Adapter is required, for SDS MAX Drive Hammers, to drive Milwaukee Turbo Tunnel Bits for deep hole drilling from 1-1/2 inch to 3-1/4 inch. FEATURES: SDS-max drive shank 7-1/2 in. length. Interchangeable drilling heads. 11 in. extensions, 48-20-5079, can be coupled for extra deep drilling applications |