Top Quality Neodymium Iron Boron (NDFeB) Rare Earth Magnets * Super strong and powerful magnet, High Quality ! * Pull Force: 112 lbs, Great performance, Wholesale Price * 4" long x 1" wide x 1/2" thick, magnetized through thickness, poles on the 4"x1" flat surfaces * Grade N42, stronger than N40. Quantity: 1 magnet per package