Efficiently increase reach or for longer through holes with the SDS-MAX Bit Extension Adapter. It securely connects any SDS-MAX Rotary Hammer Drill Bit, Core Bit, Core Cutter, or Demolition Bit, allowing for quick and easy installation. This adapter ensures direct transfer of impact energy to the Drill Bit, without any energy loss. Pair it with the compatible 12″, 29-1/2″, or 43″ Bit Extension for optimal results.