One-piece construction assures maximum electrical conductivity Electro bright, tin-plated annealed copper construction for maximum corrosion resistance Injection-molded insulation allows a funnel barrel construction for easy installation and ensures a consistent wall thickness for maximum reliability after crimping Crimp ridge on each terminal for positive location of crimp tool on terminal barrel - fewer mis-crimps Open end terminal design permits easy inspection of wire Designed to withstand temps of -40? F to 221? F (or 105? C) Heat-shrink tubing and electrical tape available and sold separately