Note : Only 10Ft Cross Bar Support The Pro 10 Feet/3 M Background Telescopic Crossbar Is Lightweight And Heavy-Duty,Which Is Ideal For Studio Photograph Or Home Studio. It Could Easily Adjust The Width From 4 Feet To 10 Feet Wide, Could Be Easily Sited On Top Of Any Standard Light Stand With 5/8" Stud Adapter. This Crossbar Is Constructed Of Three Aluminum Bars And It Can Fold Up Quickly And Easily. Specifications: Made From Aluminum Alloy With A Professional Black Satin Finish. Folds Up Quickly And Easily. Adjustable Cross Bar£¬4 Feet/12Cm To 1Feet/3Cm Adjustable. 3 Section Telescoping Bar. Fit On Any Standard Light Stand 5/8" Stud. Length:10 Feet/3M Package Contents: 1 X 10 Feet/3 M Aluminum Alloy Crossbar