Our selection of 15mm diameter disc magnets are little bigger than a watch battery but these small magnets are vital for many applications. Their versatility means that they have hundreds of uses ranging from creative applications to high-end engineering. At first4magnets.com we pride ourselves on providing solutions to problems, that's why within our range you will find many different shapes in sizes. In our 15mm diameter range alone you will find countersunk and self-adhesive magnets both available with either pole on the magnetic face. You will also find our unique top hat' magnet, specifically designed for point of sale and display advertising where a flush magnetic face is required.