This brass insert takes all the trouble out of making a keyhole slot for hanging pictures or other items - no routing required. The plug mounts in a 5/16" deep hole made with a 5/8" forstner bit (sold separately) and is secured with adhesive; the grooved shank provides a good mechanical glue lock.
Only a single plug is needed to hold a small frame, but additional plugs can be used to hold larger items or prevent rotation. The keyhole opening is sized to fit common #8 screws.
Made in Canada.