Constructed from aluminum alloy for a light weight yet strong valves body that resists corrosions Features energy efficient copper coils that reduce heat build up. The wear-resistant construction ensures a long service life and stable operate, even with frequent use This product is an 4-station solenoid valves manifold that integrates 4 individual valves onto a single, sturdy base. This integrated design simplifies installation and saves space essential control for double acting cylinders, making it a fundamental component for a wide ranges of automated machinery Equipped with 8mm base ports and 6mm exhaust ports for simplified none tool installation, reducing assembly time and effort, Manufacturer: Xinsheinelry