Heavy Duty Two Wheeled Hand Truck, 1 Cylinder, Stainless Steel: Industrial quality hand trucks for gas cylinders up to 12.0 inch diameter. These durable units are configured for one cylinder with 8 inch polyolefin wheels for safe, convenient transport of medical, industrial and commercial use gases. Construction is of heavy 11 gauge Type 304 Stainless Steel with 1.0 inch diameter x 14 gauge round stainless steel tube, with heavypoly straps and nylon snap buckle and all stainless steel axle parts. Fully welded construction. 21x19x48" Ships UPS double oversize rate or truck. Rated 500 lb. capacity Weight 36 lbs.