Universal Brass Bayonet Cooker Hose Socket Gas Safety Blanking Plug (½”, BS669 Standard ). Brand new, premium quality ½” gas safety cooker hose blanking plug to provide a secondary seal when the bayonet hose is disconnected to prevent dirt and contaminant ingress. Manufactured to BS669 standard with corrosion resistant brass, this plug is an essential component to ensure that the gas connection remains clean and safe when the hose is not in use. Specifications: Connection: ½” (21mm) Suitable For: Bayonet Sockets Height: 30mm Outer Diameter: 34mm Inner Diameter: 15mm