To make your own magnetic bottle opener we recommend watching these YouTube tutorials. 

 To get started you can use some of our Neodymium Disc Magnets which are 30mm to 40mm in diameter, and 3mm to 6mm thick.

Some examples we have are:

Neodymium Disc Magnet - 30mm x 5mm

Code: 20002A
Pull Force: 10.7 kilograms 

Neodymium Disc Magnet - 38.1mm x 6.35mm | N52

Code: D-D38.1H6.35-N52
Pull Force: 19.09 kilograms