Torklift International FORTRESS GAS LOCK 1/2IN

Fortress GasLock allows propane tanks to be securely locked when mounted to trailers, towables and RVs. Now available for Airstream trailer applications. It is made of high impact powder coated aircraft grade aluminum and fits 3/8” and 1/2” threaded rods. Made in the USA and backed with a Legendary Lifetime Warranty.