1 1/2 x 1/8 Inch Neodymium Rare Earth Ring Magnet N42 PN: RX822

• Dimensions: 1 1/2" od x 1/8" id x 1/8" 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: 0.951 oz. (26.96 g)
• Pull Force, Case 1: 20.28 lbs
• Pull Force, Case 2: 117.9 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

The RX822 is very wide and very thin with a small 1/8" hole in the center. It"s fairly powerful as well and should be handled with care so as not to crack or break it.