Jimny Electrical System Grounding Terminal Pure Gold Type Engine Room Dress-up Earth Kit Parts Custom Modification I bought this for the JB64, but I didn't use it because it couldn't be installed without modification. From the product website: High quality, pure gold plating with excellent conductivity! Gold has superior conductivity. Easy to install without removing the existing battery terminal. (Bolt size is 8mm) / Jimny Parts - Jimny Custom Specialty Store K Products