The portable background support system features two Hensel VI aluminum stands (code no. 223) and a pair of Expan holders with a metal chain (code no. 2490), supplied in a stand bag (code no. 3750). The Hensel VI aluminum stand has two air-cushioned sections, with an adjustable height ranging from 105 to 280 cm. It has a load capacity of up to 9 kg.  

You can download the device's instruction manual here on the Hensel website.