Description: Glass fiber reinforced Nylon base ensures great mechanical strength & durability. Optional transparent insulating cover with recessed area for label stickers. Tin-plated copper bus allowing current up to 150A. Stainless steel studs & screws provide great anti-corrosion ability on board. Insulated base ensures no leakage to metal hulls. Studs: 2x M6 (1/4) Screws: 12x M4 (5/32) Package Included:1 X Terminal Bus Bar Block 2 X Screws