Just as durable and half the size. The Single Cylinder Dolly™ HD is designed for demanding industrial facilities or tough outdoor applications in which transport of a single cylinder is required. Accommodates one cylinder, up to 12‚Äù in diameter, including class 300 SCF industrial gas cylinders and No. 5 acetylene cylinders. Regulations: OSHA 29 CFR.1910.253. Weight: 26.8 Lbs. Load Capacity: 250 Lbs. Dimensions: 22.5‚Äù Long x 24.75‚Äù Wide x 46‚Äù High.