50 Ton Hydraulic Cylinder Jack 2.52 Stroke Ram Low Profile Flat Lift Cylinder. This is a new 50 Ton Hydraulic Cylinder. Compression area: 56.7cm². Oil consumption: 0.113l. Total extension height: 135mm. Outer diameter: 138 115mm. Lightweight design for small workspace. Chromium plated surface of piston, prolonging the service life of piston. Plunger has the function to retracting automatically. In order to operate correctly, all oil cylinders need to be connected with solid and flat surfaces. For example, using thin oil cylinders in sandy soil or loose surfaces will cause damage to the oil cylinders. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.