Dual Bus 150 Amp Common (4) 5/16" Stud / (5) 10-32 Screw Terminal, MFG# 2723, Combines Negative & Positive Buses on One Block, Bus Bar Includes (4) 5/16"-20 Studs, (10) #10 Screws & Polycarp Cover, 150 Amp 300VAC/48VDC Capacity, 4. 875"L x 2. 58"W x 1. 505"H.