Copper Insert Nut And Bolt Combination Set For M2 To M6 Threads

716 Hot- Copper Insert Combination Set. Material:Copper. Heat-Set Installation: Designed for easy insertion with a 60W soldering iron to plastic and secure nuts flush for long-lasting fastening. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.