Overhead Rack and Pinion Door Closer functions with fully hydraulically controlled closing speed in two independent ranges varying from 120 Degree-15 Degree and 15 Degree -0 Degree. The Overhead Door Closer features maximum angle of opening in a range of 150 Degree. The Overhead Door Closer is fitted with standard arm that facilitates ease of operation. Overhead Rack and Pinion Door Closer is offered in silver finish and non handed design.