A rotary latch from Southco Inc., The R4-20, can be triggered by hand via aplastic knob, eliminating the need for a separate cable and actuator. The latch features steel construction for durability and a long service life. It can be used on hidden access panels and doors on transportation and industrial equipment, and other applications. It is compact which facilitates inside door mounting and is available in through-hole, metric, and imperial mounting styles. It is also available with single or two-stage latching, ensuring secure latching at low closing forces. The tight latch-to-striker mating tolerances making it well-suited for flexible panel applications with inherent misalignment concerns.