Made of steel tube 20x20 mm (with stand) and a diameter of 18 mm (shelf-lodgment). The cradle has a tilt to the outside. allows you to pour the oil by gravity from each tier of the rack. Comes unassembled. going on bolted joints. Painting polymer paint temperature curing RAL. There is a removable plate at the top of the strut for applying (sticking) of a logo or information to promote products. When purchasing from 10 PCs discounts up to 20 %.