3m Stainless steel Tube/ Crossbar for Manual Background Support System (NEW Design Spiral splicing ) This Item is compatible with Electric / Manual Roller Background System -It is supplied in 3 sections of 1m each which are joined by means of supplied connecting pieces, leaving a compact tube of 3m long. - Diameter: 2" - Aluminum tube designed to hold backgrounds up to 10 feet wide - Each tube composed of 3 interlocking sections - Makes raising and lowering your backgrounds quick and easy - Perfect for muslin, paper, computer-printed and canvas backgrounds -For Roller Background System Item included: 1x 3m Stainless steel Tube/ Crossbar (NEW Design Spiral splicing ) *didn't included other accessory**