About This The AR-B(CGA520) acetylene regulator is designed for Type B acetylene cylinders and features a Type B safety connection. It ensures stable pressure control and operational safety, preventing gas leaks and making it suitable for various welding and cutting tasks The A3 and A11 nozzle sizes offer versatility, with their different dimensions enabling users to switch flexibly based on job requirements and thereby enhancing welding precision and efficiency It is equipped with a durable AH-12 hose made of high-grade, flame-resistant rubber with a 3/16-inch ID. This robust construction can withstand high temperatures and is abrasion-resistant, ensuring long-lasting performance and peace of mind during intense use The hose and component design is compatible with turbine spray gun regulators and handle assemblies, ensuring seamless integration with turbine spray gun systems and supporting leak-proof connections to enhance workflow reliability Safety and durability are equally prioritized. The comprehensive toolkit emphasizes safety design, featuring leak-proof interfaces and premium materials to ensure consistent performance and user protection over extended use Overview Color : Red, Black Brand : AWLOLWA Item Weight : 3.73 Pounds Product Dimensions : 9.72"L x 8.54"W x 5"H Material : Brass