Unique product will allow overhead doors to be
locked in virtually any up position. Automatically locks doors
in full up position or in the closed position. Prevents the overhead
door from unexpectedly "slamming down". Protects personnel, product,
and equipment. Spring-loaded locking latch is released by pulling
rope (included). Simply
bolts to any overhead door (installation hardware is not included).
Includes two reversible "locking plates" that may be mounted
anywhere along door track. Heavy-duty welded steel construction with
yellow painted finish.