Hillman 30lb Large D-ring Hangers (4 Pack) in the Picture Hangers department at Lowes.com
100 Pack Heavy Duty D-Ring Picture Hangers with Screws for Hanging Clock Paintings Artwork Picture Frame Hook Photo Mirrors - Pro Quality Single Hole D-Rings : Amazon.in: Home Improvement
100 Pcs Heavy Duty Single Hole D Ring Hanging Picture Oil Painting Mirror Frame Hooks Hangers With 100 Pcs Screws | Fruugo NZ
HangZ 30 lb. 2 Hole D Ring Canvas Flat Mount Hanger Kit 11031 - The Home Depot