Sierra FS46561 Bus Bar - 8 Stud 600 Amp Use as common hot feed or common ground block; Tin plated copper bus; Stainless steel studs & screws; Large diameter nuts provide large electrical contact area; Stainless steel screws with lock washers; Corrosion Resistant; Specifications: Dimensions: 2" Height x 7" Length x 2" Width; Rating: 600 Amps; 8 x 3/8-16 Stud terminals;