Gold Series 4131 "The Boss" Heavy Duty Outfits in Deluxe Tool Box for Industrial & General purposes, designed of all trades. It features a complete package of apparatus and accessories for general purpose and industrial use. Also includes: 443T Torch Handle, 443C Cutting Attachment, 472C-1 Cutting tip, 472W-5 Welding elbow, 473M Mixer, 9-WG6G Goggles, 25-300 Striker, 25-120 Tip cleaner. Acetylene Regulator Inlet Connection supplied is standard CGA 510.