Securely hang your frames with OOK Tremor Picture Hanger. This unique hanger comes with a clip the tightly fastens your art. Great for earthquake prone areas. Brass finished and available in hangers holding up to 30lbs or 75lbs. Let OOK's Tremor Hanger provide you with peace of mind. Works in drywall and plaster walls. This hanger is specifically designed to reinforce artwork with an elbow making it 20% stronger. Using OOK's professional grade.. See full description for further details