These Buss Bar Stud Terminal Blocks are primarily used to route and connect power or ground circuits. The raised bus provides easy access on a single stud, making it useful for consolidating multiple wires or feeding multiple circuits. Constructed of tin plated brass and ABS. Maximum: 48VDC. Installs with #10 RH fasteners (not included).Includes four #8-32 screw terminals in addition to the four studs.