Raytree RMA42 Quick Attach Auger for skid steer comes with 3 bits.

(The 3 bits size included with auger: 6", 12", 18") 

Specifiactions:

• Model: RMA42

• Maximum Drilling Depth: 42"

• Motor mounted directly to theplanetary

• Direct Drive Through Planetary Gear

• 3 Bits comes with unit.