Small diameter cylindrical magnets

Small diameter hollow cylindrical rare earth magnet ring 2x1.2x3.7mm

This is a small diameter hollow cylindrical ring magnet made of rare earth neodymium iron boron, N40 grade, nickel plated on the surface, axial magnetization. How small is this magnet? Outer diameter: 2mm, inner hole: 1.2mm, height: 3.7mm, hole depth: 1.8mm, not straight hole. It is applicable to precision electronics and electronic components....