The CUNNINGHAM Hydraulic Cylinders Model CM Construction Marine Grade Cylinders are high-quality, durable hydraulic cylinders designed specifically for heavy equipment in construction and marine industries. With the brand name CUNNINGHAM, these cylinders are known for their reliable performance and long-lasting durability. These cylinders are essential components for heavy machinery, providing the necessary power and control for various construction and marine applications. Ideal for businesses and industrial users seeking top-notch hydraulic cylinders that can withstand tough working conditions.