T2 Pure Copper Outer Hexagon Screw Conductive Red Copper Purple Copper Conductivity Bolt Double Head U M4 M5 M6 M8 M10 M12 M16

T2 Pure Copper Outer Hexagon Screw Conductive Red Copper Purple Copper Conductivity Bolt Double Head U M4 M5 M6 M8 M10 M12 M16

Aliexpress UK