Paper Clip & Magnet
From Amazon
MAUL Neodymium Disc Magnet - Flat Magnet with High Adhesion for Versatile Use - Round Magnet with Elegant and Modern Design - Diameter 10 x 3 mm - Pack of 10 - Light Silver
Conrad Electronic
Maul Neodym magnet (Ø x H) 10 mm x 3 mm Disc Silver 10 pc(s) 6166396
Kaiser Kraft
MAUL Ø 10 mm, Ø 10 mm, pack of 50, adhesive force 2.0 kg - light silver