Attachment

Simple way to hang up your pictures or boards to your wall invisible.

You have to drill a 25 mm slot for the attachment in you picture frame or your board.
A screw with a 4 mm thread and a 9 mm head schould fit perfectly, a bigger screw will not fit in the attachment.

First you have to screw the screw into the wall, after you placed the attachment in the board you can easily hang it on the screw.