Split Bolt, Copper, No. 1 Stranded Conductor (STR) - 250 kcmil, Made from high strength copper alloy to resist corrosion and provide premium electrical and mechanical performance, Offered with extra long body to allow connection of one or two taps to a single run conductor, Nut hex provides correct fit with socket, box, or open end wrenches resulting in proper torquing of electrical connection, Pressure bar provides secure connection on a full range of conductor combinations used with each connector assuring premium wire pull-out strength, UL Listed and CSA Certified for use up to 600 Volts and temperature rated 90 Degrees Celsius.