This Buss Bar Screw-Terminal Block is equipped with two each #10-24 studs for main wire connection. Constructed of tin plated brass and ABS. Designed for use with tinned copper marine wire which shares the same expansion rate to prevent loosening wires and reducing electrolytic corrosion caused by pairing two disparate metals. Maximum: 48VDC, 100 amps. #8-32 terminals. Installs with two #10 RH fasteners (not included).