Mount the base plate to the slats on the sides of a Front Runner Roof Rack Tray, then quickly snap in and retract the folded arm for the perfect solution for hanging your solar shower or showerhead.-Materials used:2.5mm (0.098) black powder coated stainless steelLightweight and can carry up to 20l (5.28 gallons) of water suspended from the roof rackConsists of:Lower shower arm, upper shower arm and a nuts and bolts kitProduct Dimensions:L 530mm (20.86) x W 120mm (4.72) x H 90mm (3.54)Weight:2kg (4.4lbs)Maximum Load Capacity:25kg (55.1lbs)