Dimensions: 4″ × 4″ × 1″ thickTolerances: ±0.004″ x ±0.004″ x ±0.004″Material: NdFeB, Grade N52Plating/Coating: Ni-Cu-Ni (Nickel)Magnetization Direction: Thru ThicknessWeight: 69.4 oz. (1967 g)Pull Force, Case 1: 833.2 lbsPull Force, Case 2: 833.2 lbsSurface Field: 3032 GaussMax Operating Temp: 176ºF (80ºC)Brmax: 14,800 GaussBHmax: 52 MGOe
A four inch neodymium magnet is no joke! These amazing blocks are some of the strongest rare-earth magnets available anywhere. They are extremely powerful and potentially dangerous, and as such must be handled with great caution. They can pinch incredibly hard and even crush if you get between two of them or one and a piece of metal. They are heavy, sturdy, and unbelievably strong. Once this large block is attached to a metal surface it will be impossible to remove it.
We recommend always having at least one other person help you handle this massive block. This magnet is not a toy!
You must read and understand our Neodymium Magnet Safety Page before ordering these magnets. You must also agree to our Terms and Conditions prior to purchasing. THESE ARE VERY DANGEROUS!
GROUND SHIPPING ONLY on this item.