Our mission at UPG is to provide customers with value solutions to their portable and back-up power needs and to be a trusted supply chain partner that exceeds performance expectations, all delivered in a manner that rewards all. We are dedicated to creating value for our customers by effectively collaborating, expanding and delivering products and solutions that enhance productivity. UNILOK’s ZL Bracket is used to mount magnetic locks with 1200 pounds of holding force to double or single in-swing doors. Double in-swing doors would require two separate magnetic locks or one double lock.