82-1/2 in. SDS-Max extension to be used with the Max-Lok™ system.
Features:- Versatility: system is compatible with any rotary hammer for drilling in tight spaces
- Efficiency: save time and money by leveraging your shorter, less expensive bits and rotary hammer
- Maximum energy transfer: maintain drilling productivity, even at 82-1/2 in.
- Easy to use: the connection adapter's sliding sleeves offer twist and lock security
