Four Cylinder In-Line Racks: This model includes the features found on our standard cylinder rack (see Model G-275) in an in-line configuration. Accommodates four cylinders from 4.0 to 12.0 inch diameter. Square steel tube supports with dual level 11 gauge formed steel cylinder brackets. Supplied with eight standard cylinder straps, unit can be retrofit with cylinder chains as a secondary means of support. Powder painted, fully assembled. Ships truck freight. 15x52x30" high 63 lbs.