A third longer screw goes into the wall. All three holes are 4.4mm dia and raised to take countersunk head screws. Plates are typically used in pairs, one either side.
4 x LARGE Picture Hanging Brackets|Brass Flat Wall Mirror Hanger Plate Fixing
LARGE Picture Hanging Brackets Brass Flat Wall Mirror Hanger Plate Fixing 38mm
Picture Hooks for Hard Walls, 250PCS Picture Hanging Kit for Picture Frame Heavy Duty Picture Hanging Hooks Picture Hangers Set with Picture Wire, Nails, Sawtooth Hangers, D-Ring, Screw Eyes, Black
100pcs Picture Hanging Kit 10lbs Stainless Steel Picture Hanging Hooks with2972
4x Mirror Corner Clamps ???? Nickel Chrome Clips for Picture Mounting Brackets Kit
