The Libec DL-8 Dolly with 4.0" (100mm) indoor wheels is intended for OB and studio use with the T-101 and T-103 heavy-duty tripods. It features foot-controlled independent brakes, durable cast and extruded aluminum alloy construction, and sturdy neoprene tie-downs for rapid, secure assembly. It also includes Libec’s iron-clad 3-year warranty for parts and labor, and friendly, accessible technical support.