BB-2/8 Bus BarIdeal as a DC ground tie point or positive bus, this heavy-duty, 500-amp-rated bus bar assembly features 5/16 in. studs on 1 in. centers in 1/4 in. thick copper bar for common connection or distribution of large wire gauges.Features: Accommodate 5/16" ring terminals Insulated base (reinforced nylon resin with a clear protective cover) Specifications: Quantity of 5/16" Studs: 2 plus 8 - #8 screws Size (inches): 6-1/16" x 1-1/2"