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50 Pcs Small Triangle Ring Picture Hangers Metal Photo Picture Frame Wall Mount Hanger Hook Hanging Ring Iron with Screws - AliExpress
30 Pieces Metal Push Pin Hangers Pin Wall Hooks Picture Hanging Pin Picture Nails Frame Oil Painting Hooks on Wooden or Fabric Wall for Home or Office (Black, Silver, Bronze) - Amazon.com
Wall Hooks for Hanging Heavy Picture Frames (1.3 Inches, 100 Pack)