Amazon.com: Framendino, 20 Pack Silver Metal Single Keyhole Hangers with Screws Metal Keyhole Hanger Fasteners Picture Hanging Bracket Plate for Mirror Picture Frames 43 mm x 16mm : Tools & Home Improvement
20 Pcs Keyhole Hangers Metal Fasteners for Picture Frames Mirrors Cabinet,Metal Keyhole Hanger Hanging Fasteners Hardware Flush Wall with Keyhole, 42 mm x 14 mm Flush Mount Hardware(No Screws,Silver) - - Amazon.com
Premium Quality Key Hole Hanger 10 Pack with 3/8" x 4 Gauge Flat Head Phillips Screws - - Amazon.com
Keyhole Slot Plug - Lee Valley Tools
Key Hole Hanger With Raised Center
Single Keyhole Hangers, Metal Keyhole Hangers, Keyhole Hanging Fasteners, 30 Pieces Keyhole Hanging Plates with 60 Pieces Mount Screws, 43 x 16 mm (Silver) - Walmart.com
Keyhole Hangers (Mini) Picture Hanging Kit holds up to 100LBS In stud.