Easy to use: install and use this product following your local electrical codes and regulations
Designed to attach fixtures and canopies to electrical junction boxes. 2 Pack can satisfy your multiple needs, you can use it for mount wall light, close to ceiling light, ceiling fans, pendant light and chandelier
Made of zinc plated steel that is 0.56" thick and comes with ground screw
Dimensions for the holes are 2 -3/4" center to center, and 3-1/2" center to center.
Package includes: 2 x light fixture crossbars; 8 x crossbar mounting screws; 2 x ground screws; 6 x wiring nuts, 4 x black acorn cap nuts, 4 x silver acorn cap nuts,4 x conventional nuts