The Blue Steel DIN/Yoke Manifold Kit easily converts back and forth from DIN to Yoke fitting depending on the type of first stage regulator to be used in conjunction with the cylinder increasing the versatility of the tank. Valves are made from durable marine grade chrome plated brass. Manifold valve is available for 3442 psi or 2400 psi (200/232 bar). Manifold has a female DIN connections with 5 threads when insert is removed. Manifold valve is designed with high flow characteristics to maximize regulator performance. Sturdy extended rubber handwheel grips for easy on/off even with gloved hand. Each component has a handwheel for left, right and isolator. Heavy duty valve mechanism (internal parts) designed for durability and smooth on/off operation. Integrated multi ported plug and disc design safety assembly for easy replacement and is recessed to protect against damage during diving or transportation. Dip tube incorporates hex wrench flats for easy installation and removal. The manifold valve to cylinder threads are standard 3/4" x 14 NPSM straight threaded cylinder connection with O-ring seal. Designed and tested to meet global valve manufacturing standards and manufactured with oxygen compatible materials and lubricants. Each manifold valve is packaged in heat sealed bag and individual box to assure oxygen compatibility. Manifold is designed to fit cylinders with diameters of 6.9" to 8.01" (17.53cm to 20.35cm).