Replace old or damaged battery cable ends with the crimp-style battery cable lugs, made with an easy-to-fit flared end design for a firm crimp or soldered connection. This product receives its maximum conductivity and flexibility from the copper stackable ends. The Battery cable lugs fits 4 to 6 gauge cable with a 3/8 stud, the gauge is stamped on the product for easy identification. Product Features:3/8 Stud Hole4 gaugeFlared endsGauge stamped for easy identificationLugs can be crimped or soldered and are stackable