Holder for Wiha Screwdrivers. Magnetic.
Meant for Wiha screwdriver set: https://amzn.to/2HOYz5O (Amazon)
Disk magnets: https://amzn.to/2Vc97ir (Amazon)
Marble filament used: https://amzn.to/2WCFWW8 (Amazon)
Video: https://www.youtube.com/watch?v=QjA3tnB8_y4
They are expensive, but worth the price IMO.
Links to Amazon are affiliate.