This is a dedicated to gas tanks, liquefied gas above a high-strength ring magnet, made of neodymium-iron-boron material, N52 high grade, outer diameter 50mm, height 43mm (can be customized to different heights, such as 40mm), hole 30mm, such as you need this size you can contact us to provide you with prices.
50mm x 30mm x 43mm N52 ring neo magnet applications;
In addition to these ring magnets, there are also many options for square neodymium magnets with a hole in the center, with dimensions such as 45x45x30mm.