Four Wheel Hand Truck-Pneumatic Tires 1 Cylinder: Industrial quality hand trucks for gas cylinders up to 12.0 inch diameter. These durable units are configured for one cylinder with 10.5 inch fully 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. Swing-down steel carriages allow use of rear swivel casters for additional safety and control. Powder Gray painted. Fully welded construction. Ships UPS oversize rate. 19x21x47" 48 lbs. Rated 1000 lbs. capacity To save freight costs and assure pristine arrival of your hand truck, upper handle sections bolt in place.