This cylinder set is shipped complete with one full #4 acetylene cylinder and one full #4 oxygen cylinder on a cylinder cart. Provides approx. 2 hrs. burn time using an oxyacetylene cutting torch. Shipped to the freight terminal nearest to your zip code for pickup. Truck ship. Diameter (in.): 19, Valve Type: CGA 510 female, CGA 540 male, Dimensions L x W x H (in.): 14 x 19 x 49, Material Type: Steel, Compatible With: Acetylene/oxygen, Capacity (cu. ft.): 145/125, DOT Approved: Yes, Product Type: Cylinder/cart set, Tire Size (in.): 8