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T2 Pure Copper Hexagon Nut Red Copper Nut Conductive Conduction Nut Washer Locking Screw Cap Pure Copper M3 M4 M5 M6 M8 M10-M20
T2 Pure Copper Hexagon Nut Red Copper Nut Conductive Conduction Nut Washer Locking Screw Cap Pure Copper M3 M4 M5 M6 M8 M10-M20
https://www.bizrate.co.uk/homehardware/t2-pure-copper-hexagon-nut-oid33148965075.html