Two Wheel Cylinder Hand Truck Industrial quality hand trucks for gas cylinders up to 12.0 inch diameter. These durable units are configured for one cylinder with 8.0 inch steel hub welded semi- pneumatic wheels for safe, convenient transport of medical, industrial, and commercial use gases. Construction is of heavy 11 gauge HR Steel with 3/16 inch thick steel supports and round steel tube with heavy poly straps with steel cinch buckles. Units are powder coated for durability. Fully welded construction. Ships UPS oversize rate. 19x21x48" 36 lbs. Rated 300 lbs capacity To save freight costs and assure pristine arrival of your hand truck, upper handle sections bolt in place.