1. Product material: brass 2. Product attributes: red positive electrode, black negative electrode 3. The role of the product: connect the battery and battery line, power on the device, etc. 4. Scope of application: General Motors, batteries, etc. 5. Positive aperture: 17-19MM 6. Negative aperture: 15-17MM 7. Product composition: positive chuck x 1; negative chuck x 1
