160680-025 QuickCable PVC Insulated Butt Connector 6 Gauge Blue (25 Count) Rated 600V, 167° F (75° C) except for disconnects, M/F bullets and piggyback 300V, 167° F (75° C),Quality terminals for years of dependable service,Tin plated annealed copper for improved corrosion resistance, max conductivity and crimp strength,Serrated barrels for greater wire retention/pullout strength,Ridged PVC sleeves for improved abrasion resistance,Kits are available