Features:Insulatsion, high corrosion resistance, scratch proof and Good chemical stability.Mainly used in electric heating elements, protection sheaths, insulators and fish beads for temperature sensors. Specification:Material: CeramicInner Diameter: 3mm / 0.12 inch(Minimum) ; 5mm / 0.2 inch(Maximum)Total Size: 7 x 8mm / 0.28 x 0.31 inch (H*Max Outer Dia) Package Content:300(+/-2%)pcs x Ceramic Insulator.
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