R428 - Neodymium Ring Magnet - 1/4" Dia x 1/8" ID x 1/2" Thi

• Dimensions: 1/4" od x 1/8" id x 1/2" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N42
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Axial (Poles on Flat Ends)
• Weight: 0.0798 oz. (2.26 g)
• Pull Force, Case 1: 2.92 lbs
• Pull Force, Case 2: 3.01 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

The R428 ring magnet is easy to handle and incredibly useful It's half inch thickness makes it perfect for crafts, art projects, experiments and of course, the fridge. How will you use yours?