Battle Tested Film Gear 954-TDL-275 Proaim Dolly with 12-Feet Straight Track (Black) The Tripod Dolly has smooth wheel bearings 360 degree rotating. The 12ft long straight track has stable balancing with rubber feet. 3 Wheel Dolly accommodates total weight including your Tripod stand/camera weighing up to 330lbs. Professional dolly system for making film, commercial, documentary videos. Dolly Track comes in a travelling bag. Light in weight, Easily assembled, collapsible tripod dolly. End Support adapters of track making it stable and aligned. Hollow pipes making it light-weight and portable. Blue track feet for balancing the dolly track.