Libec DL-2RBDedicated to the Libec 650 EX, TH X, and TH Z tripod systems, the DL 2RB Standard Dolly offers increased mobility for repositioning your tripod and can also be used for taking dolly shots on smooth, hard surfaces. Each 3" caster wheel incorporates its own foot activated lock for increased stability, and the dolly supports loads up to 80 lb. Additionally, it folds down for easy carrying via the integrated handle.