Expan set (1 set of the 4 hooks, 4 expans set, 4 aluminium tubes) The EXPAN system provides a practical, unitized, chain-operated background drive, in a system fixed to a wall or ceiling mount. It lets you start with a three pole set and add additional units as you need them. Add on the autopole and super clamps, and now you can make them mobile. With the add on of 2 autopoles and 2 superclamps, you can make it dual mobile and studio background system.

*** Please note: Aluminium tubes are long items and may incur extra shipping charges***