Quickly and safely install any ceiling fan or lighting fixture in three easy steps without having to access attic space with the patented Saf-T-Brace. This brace works with ceiling fans up to 70 pounds. The brace's three teeth easily twist and lock into the ceiling joists, its threaded multiple lead adjusts quickly, and its square tube allows for easy turning. The brace works with existing ceiling joists between 16 and 24 in. wide. It is UL/CUL listed to support light fixtures up to 150 pounds on 16 in. centers and 50 pounds on 24 in. centers. It supports fans up to 70 pounds. It also includes a Saf-T-Cap to protect bolts and wires during drywall installation and painting. The Saf-T-Brace comes with everything you need for installation, including easy-to-follow instructions.