Buy from Amazon.com : http://fave.co/1xakNo5 <br /><br />Manfrotto 181B Folding Auto Dolly for Twin Spiked Metal Feet Tripods (Black)<br /><br />Product Description : <br />Smooth rolling for great dolly shots or just moving around the studio <br />Fits tripods with twin spiked metal feet <br />Single lever braking system for safety and security <br />Attachment for head for ultra low shooting angles <br />Folding design for ease of transport and storage
