天花板上铁路系统

Type: RS4810/RS4910/RS41010Ceiling rail system is designed for compound photography, providing wider use of lightings, flexible, fast locatingLonger booms (springs) available, rails available at 3m, 4m, and 6mOther customer size will be added additional charges"4" 4 booms"10" 3m long rails"8" stretching length: "8" (about)a. 4 booms-stretching length 2.2m-2.4m b. 4 rails (3m) - 2 stationary rails, 2 floating rails c. Brackets, rail-wheels, cable wheels d. Strong enough for any brand of lightingse. Safe locks are used to secure your flash lights