Wire T-bar hangers: 0.15 cm wire diameter, each hanger was designed to hold up to 10 pounds. Easy install and leaves no damage: each hook installs in seconds, fit for hanging a sign from suspended tile/ grid / drop ceilings. Flexible use: have a pressure on to open up the hang clip and place it on the T-bar, they can be applied to hang posters, banners, artwork, signs and lights with our ceiling hooks.