Manufactured from high strength seamless copper tubing. Electro-Tin plated. Maximum conductivity and excellent crimping characteristics. Standard barrel length with chamfered entry. Sight hole and chamfered barrel for visual inspection of proper cable insertion. Color Coded. UL 486A/B 90° C Listed and CSA Certified. 500 kcmil - 10 AWG, #10 - # 2 SOL UL467 Listed for grounding and bonding applications.