Used 6 Pack Cylinder Racks (Jersey barriers or Safety barriers). New ones cost over $200 each. See links below. I only have 10 left. Selling all 10 for only $750 or $95 individually. Located in Radersburg, MT.
"Holds six (6) cylinders from 3 in. to 10 in. in diameter Plastic design does not spark, rust or corrode. Durable Upper security straps included Forklift-able. Can fit through doorways"