Usage Tips:Acetylene G oxygen welder kitProduct Description:Micro patchwork for every field. Welding 300 adjustment with flammable gas lillte kit Genius and acetylene, welding: 1/8, 3/8, 5/8, 3/4, 7/8. You can use "a" to describe sprites and any of the common industrial fuel gases: acetylene, hydrogen, propane, propyl, polysulfonic mucopolysaccharides, and others. (However, the smaller 2 are only used with acetylene or -hydrogen). Accessories for "a" include cylinders, regulators, extenders, additional hoses and special materials.Specifications:Name: a. Size:. 185x137cm /7.28x5.1.93 inchesThe package includes:1 piece Mini s5 Interchangeable components1 SpecificationAttention:The smaller two are used with acetylene or hydrogen. Please allow an error of 1-3mm for manual measurement if you do it yourself before. With different displays and lighting effects, the actual color is slightly different from the color.