The block is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This block is a very practical and reliable for your needs. Features -Color:Multi -Material:Brass, plastic, galvanized screw -Size:9.50X2.50X1.60cm/3.73X0.98X0.63in Hole diameter: 5mm Installation hole distance: 81.95mm Number of holes:8 - Gather the wiring harness together to reasonably store the wiring inside the vehicle and boat. - The bus terminal block is not easy to oxidize and is convenient and fast to use, without frequent replacement. - The bus is fit for trucks, RVs, ships, yachts, boats, and etc. - Widely uses in cabinets, mechanical equipment factories, electrical equipment factories, distribution boxes, etc. - Stable characteristics, high performance and in great reliability, simple, easy to install. Package list: 4 x terminal blocks