Snaptrack Cinerails Dolly System Complete - Portable Video Camera Rail Track System Lightweight track dolly weighing under 10 lbs. The Complete system consists of the following: Cinerails Dolly, 7 Cinerails (to connect PVC pipe), Draw string (used to create an arc) Adapts to most tripods and can be used as a straight track or adjusted to varying degrees of arc. Fits easily into a suitecase for travel Can handle rigs up to 70 lbs by adding an additional 7 Cinerals per 8 foot section of track length, for a total of 14 Cinerails.