Get on Amazon : http://www.amazon.com/gp/product/B00D2LEF6E?tag=lottalatte-20
Orion 10109 4.5 to 10-Inch Dob Dolly for Dobsonian Telescopes
Rugged wheeled platform makes it easy to move your assembled Dobsonian telescope
Compatible with all Orion 45 6 8 and 10 Dobsonian reflector telescopes
three robust threaded risers lift the Dob Dolly and attached telescope above wheels for use as a stable viewing platform
Soft rubber castor wheels absorb vibrations for smooth motion
Not recommended for off-road use :