BX8X84 - Neodymium Block Magnet - 1 1/2" Len x 1 1/2" Wid x 1/4" Thi

• Dimensions: 1 1/2" x 1 1/2" x 1/4" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N42
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Thru Thickness
• Weight: 2.44 oz. (69.14 g)
• Pull Force, Case 1: 38.54 lbs
• Pull Force, Case 2: 152.0 lbs
• Surface Field: 1895 Gauss
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

With a pull force of almost 40 lbs, these blocks are very difficult to separate from a flat metal surface once they are attached. Great magnets for heavy lifting and holding over a large area.