1. Product material: pure lead 2. Product attributes: car positive and negative modified battery clips 3. Scope of application: cars, ships, yachts, RVs, RV campers, trucks, etc. 4. Wiring range: AT35-10 (AWG 2x3 / 8) 5. Corrosion resistance, good electrical conductivity with copper terminals 6. Function: connect the battery and battery line 7. Installation location: automobile battery bolt column 8. Positive aperture: 19MM 9. Negative aperture: 17MM Note: This product is made of pure lead and easily oxidized in air.