Rubber Coated Neodymium Pot Magnet - Diameter 88mm x 35mm with Nylon P Clamp D_29mm The Rare Earth Magnet is

The Rare Earth Magnet is encased within a mild steel casing

Blue Pin Whiteboard Magnets – 12mm Diameter x 22mm | 12 Pack

If you want a lower profile on the weekend

The tape features 3M 1600t PE Foam Tape on one side and is identifiable by the part number 59066F/25 from AMF Magnets

you can easily cut to size with a pair of scissors or a Stanley knife

Rubber Coated Neodymium Pot Magnet - Diameter 88mm x 35mm with Nylon P Clamp D_29mm The Rare Earth Magnet isMagnetic Product Description: This rare earth pot magnet has a diameter of 88mm, a total height of 35mm with a nylon p clamp, and the closed loop is 22mm. This cable mount magnet has a pull force of 42kg. It is identified by the AMF magnet part number RCND88P.