Are you cooking out and suddenly run out of propane ? Need an emergency grilling hook ups ? Looking for Safest and Easy to refill in seconds with NO TOOLS required ? No Need to worry, Introducing Our Propane Refill Adapter to the Rescue Easy and Quick to Install Allow you to use Propane Cylinder with your Standard BBQ Grill. Great for Cookouts, Barbequing, Caterers, Tailgaters, Campers and more. Feature - Color: As Shown. - Material: Brass. - Size: 7 x 7 x 6cm. - The external thread is 7/8-14 teeth Unf left American standard thread, and the internal thread is 1 inch-20 teeth fine American standard thread. - Fits all gas tanks and easily refill a bottles - This adapter allows you to refill a cylinder. - Built-in safety function which reaches the pressure value, the adapter automatically cut off the gas flow and not overflow. - solid brass construction makes it corrosion resistant. - For maximum filling, it is recommended that you place your cylinder tank in the freezer up to 30mins before filling it. - Easy to install, without tools, and can be added in just one minute. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand