Buy from Amazon : br br PROAIM 2ft Camera linear slider Dolly with Carry Case (Ball head not included) br br Provides shake-free stability supporting to cameras while shooting br Ultra compact and convenient takes seconds to assemble br 24 long slider allows gliding effects in your shots br Lightweight cameras can be mounted with one tripod base Heavy cameras may need two tripod bases br Comes with universal camera plate so almost any camera can be mounted to slider