Save what&';s on the grill, with this adapter. Running out of gas in your bulk tank can get frustrating, and possibly ruin your food. Having this tool, can save the day as well as your food. WARNING: This product can expose you to chemicals including lead and lead compounds which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov 1" - 20 Female Throwaway CylinderThread, Female P.O.L. and AcmeThread Used with 1 pound bottlesto grills or distribution posts to grills