Power up your electrical connections with 100PCS 1 AWG-3/8 Heavy-Duty Battery Lugs for maximum conductivity and durability. Made from premium copper, these ring terminals ensure low resistance and high heat tolerance for reliable performance. The included 3:1 heat shrink tubing provides secure insulation, protecting against moisture, corrosion, and wear. Designed for automotive, marine, and solar applications, these cable end connectors deliver a tight, professional-grade fit. With a precise crimping design, installation is quick and hassle-free, ensuring a long-lasting connection. Whether you're working on battery cables, power inverters, or custom wiring projects, these lugs get the job done. Upgrade to heavy-duty performance and keep your power flowing efficiently.