Tanks -Set 2 Scuba Diving Din to Yoke Insert Convert Adapter Valve-Tank Equipment Highlights generic brand Set 2 Scuba Diving Din to Yoke Insert Convert Adapter Valve-Tank Equipment Description: Made of chrome-plated brass, high tensile strength and corrosion resistance Convert any DIN tank valve to yoke tank to fit first stage regulators Polished surface, with the feature of durability and well appearance Suitable for all DIN 200 and 300 bar tank valves with five nice threads Tank valve conversion adapter comes with two o-rings; Adapter: G5/8-14 for DIN specification: Material: chrome plated brass Color: silver Height: approx. 0.6 inch / 1.5 cm Outer Diameter: Approx. 0.8 inch / 21.5 mm Inner diameter: approx. 0.4 inch / 1 cm Package includes: 2 pcs tank valve adapters 4 pcs O-ring Note: Although this item will fit all DIN tank valves, some valves, made from DIN regulators only, especially early models may not be suitable. These valves have a larger head that will NOT fit a cylinder head regulator whether there is an adapter or not.