1: Heavy Weight Aluminum Tripods And Cross Bars 2: Height Adjustable Max. 9 Ft/2.8Meter 3: Width Adjustable Max. 12 Ft/3.4Meter 4: Easy To Set Up And Store 5: Carrying Case Is Included. Specifications: A.Material: Aluminum B.Crossbar Section: 3 C.Crossbar Diameter: 40Mm D.Crossbar Folded : 120Mm E.Folded Tripod : 100Mm F.Crossbar Max.L: 310Mm G.Tripod Max.H: 280Mm H.Total Weight: 5Kg