Introducing the new affordable Rolling Dolly and Track made with precision machined T6063 Aluminum with a flat black powder coat finish to eliminate reflection. The ALS Dolly is made with a supplied 3/8" hole in center and an attachment knob for mounting a tripod fluid head or ball head of you choice (not supplied). The ALS Dolly comes with (4) high grade polyurethane wheels and steel wheel bearings for ultra smooth gliding. The ALS track is available in either 4ft., 6ft., or 8ft. lengths and attaches to either (2) C-stands on each end with the supplied 1/4" threaded holes or can be tripod mounted to the center plate. The ALS Dolly System can also be placed on the floor or ground with the provided rubber base mounts for low profile shots. The Dolly can also be removed from the track and used on any smooth surface like a counter top, or smooth floor finish. Made in the U.S.A. Get the moving shots you have always dreamed about, the possibilities are endless. This is the 6ft model.