- R160401N40Dimension: 1/2" od x 1/8" id x 1/32"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.33R160401N52Dimension: 1/2" od x 1/8" id x 1/32"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$0.51R160402N40Dimension: 1/2" od x 1/8" id x 1/16"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.51R160404N40Dimension: 1/2" od x 1/8" id x 1/8"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.86R160404N52Dimension: 1/2" od x 1/8" id x 1/8"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.21R160408N40Dimension: 1/2" od x 1/8" id x 1/4"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$1.73R160416N40Dimension: 1/2" od x 1/8" id x 1/2"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$3.48R160608N45Dimension: 1/2" od x 3/16" id x 1/4"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$1.73R160802N40Dimension: 1/2" od x 1/4" id x 1/16"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.51R160804N40Dimension: 1/2" od x 1/4" id x 1/8"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.86R160804N52Dimension: 1/2" od x 1/4" id x 1/8"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.21R160808N45Dimension: 1/2" od x 1/4" id x 1/4"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$1.56R160816N45Dimension: 1/2" od x 1/4" id x 1/2"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$2.96R160832N40Dimension: 1/2" od x 1/4" id x 1"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$5.23