This is a special order item and will ship separately.
Please allow 6 - 10 business days (typically) for the item to be processed prior to shipping.
Listed as "CAP G1/4 H15.5 WR19 S/S" for this "G" = gas, meaning British Standard Pipe thread, 1/4 inch diameter, 15.5 mm tall using a 19 mm wrench, manufactured in stainless steel.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.