Four M Technologies [P] Limited offers Single-Acting, Spring-Return Low Profile Cylinder. Four M Technologies [P] Limited also manufactures various types of hydraulic cylinders and hydraulic modular fixturing systems. The Single-Acting, Spring-Return Low Profile Cylinder is designed for applications where high force and low overall heights are the requirements. The Single-Acting, Spring-Return Low Profile Cylinder is ideal for clamping fixtures where space is limited. This Profile Cylinder has crowned piston which makes them perfect for powering strap clamps, linkages or for direct contact with the work piece. This Profile Cylinder has heat treated bodies for exceptional wear and corrosion resistance.