The main components of the battery pile head is made of copper. its Color:Red+Black (Positive + Negative). Corrosion resistance, good conductive performance, wiring is convenient, and the connection is firm.
Car Battery Terminal Clamp Car Battery Connector. X 2
Car Battery Post Adaptors Sleeves Car Battery Terminal Converters Post Adaptors
Adapters Car Battery Terminal Post POSITIVE & NEGATIVE for Japanese car battery
2pcs Car Battery Post Adaptors Sleeves Car Battery Terminal Converters Sleeves