3/8" X 4" Swing hanger with Spring Clip for wood (Pair)
Picture Hangers – Attach It – Picture Hangers
PicGenie 203-Piece Metal Picture Hanging Kit in Tackle Box, Hangs 14 Wooden Frames Up to 75 lbs, No Measuring Needed, Wall Picture Hangers with Drywall Anchors, Hardware, and Level - Amazon.com
How to Attach a Hanger to a Plastic Frame – Craftivity Designs
The Strongest Heavy Duty Hanger | USA Made | Tough Hook