The Auger Drive Drilling Kit (DTH) comes with options such as an 
Adaptor,
Air Swivel,
Shock Sub,
DTH Hammer (2.5", 3.5", 4" or 5"),
DTH Rock Drill Bit
and a 1.5" ID Air Hose 
 
The equipment attaches to your standard Auger Drive Head on your Hydraulic Excavator or Skid Steer Unit. It is ideal for drilling boreholes of 76mm to 200mm in diameter.
Borehole depths to 1.8m.
Custom packages adapt to your current equipment.
Other options available for special applications and depths.