- D1601N40Dimension: 1/2" dia. x 1/32"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.35D1601N52Dimension: 1/2" dia. x 1/32"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$0.53D1602N40Dimension: 1/2" dia. x 1/16"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.35D1602N52Dimension: 1/2" dia. x 1/16"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$0.61D1601TN40Dimension: 1/2" dia. x 1/10"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.53D1604N40Dimension: 1/2" dia. x 1/8"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$0.58D1604N52Dimension: 1/2" dia. x 1/8"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.05D1606N40Dimension: 1/2" dia. x 3/16"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.79D1606N52Dimension: 1/2" dia. x 3/16"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.75D1602TN40Dimension: 1/2" dia. x 2/10"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.88