Appearance: Clear/transparent, dummy barcode, plain white or tailor-made Sizes:10x32mm10x51mm10x63mm10x90mm etc. or tailor-made Specifications:Signal characteristics: Harmonic & BarkhausenCompositions: Cobalt-based & Ferrite-basedAppearance: Clear/transparent, dummy barcode, plain white or tailor-madeSizes: 10x32mm, 10x51mm, 10x63mm, 10x90mm, 6x51mm, 6x63mm, 6x90mm,6x120mm, 4x165mm, etc. or ...