Polaroid universal foldable tripod dolly

The Polaroid Tripod Dolly is designed to work with most tripods. It Allows you to achieve steady shots either locked in place or rolling along a smooth hard surface, perfect for weddings, reception halls, family gatherings and more.Two spring loaded pins automatically lock the arm in place, and each of the three leg clamps is provided with dual adjustments to secure the tripod leg to the dolly and to set a comfortable distance along the length of each arm.The three inch hard rubber casters support 35 pounds and features a foot operated locking and release levers; the center hub incorporates a convenient carrying handle. Lift the pins, fold the arms and store the dolly in the included carrying case