Actuator Assembly – 13.75″ Closed LengthActuator assembly is complete hydraulic cylinder. Piston-like strong arm that pushes tab into position. Sophisticated plastic resin body. Nylon upper hinge. Bends 5 in actual use. Fluid flows through concealed hole in upper hinge thus eliminating external hoses subject to damage. Hearty and flexible enough to demands of offshore use. For use with Bennett standard trim tabs only.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner’s Manual (pdf)