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
Hillman 122211 Keyhole Hangers with Screws Single Hole Light Duty 2 Pack: Picture Back Hangers D, Keyhole, Tooth & Triangle (008236805208-2)
HIGHPOINT - Double Hole Keyhole Hanger
OOK 100 lbs. Bear Claw 4-in-1 Screw Hooks (12-Pack) 55300 - The Home Depot
Keyhole Frame Hanging Kit - Keyhole Slot Marking Tool Set - Picture Hang Solutions
Hillman Fasteners 122211 Single Light-Duty Keyhole Hanger, 9/16" x 1-5 – Toolbox Supply
Amazon.com: Key Hole Hanger with Raised Slot (10 Pack with 20 pcs 1/2"x 4 Flat Head Screws) : Industrial & Scientific
Antrader Metal Round Type Keyhole Shelf Brackets Hangers for Picture Frame Hanging with Screws Pack of 24 (Bronze Tone) - - Amazon.com
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
Keyhole Hanging Kit takes the pain out of hanging with keyhole slots.