Feature(may vary by option.)

●Material: Pure Copper
●We use high quality environmentally friendly copper casting with excellent conductivity
●Surface treatment: natural color
●It is easy to use and prevents slippage during the rotating process
●Size description: Example: M4 (nut inner diameter 0.2 inch (4 mm)

[M16 [1]]

Description

Size description: Example: M4 (nut inner diameter 0.2 inch (4 mm)
Material: Pure Copper