Product Details
Drop Plate
Permits parallel arm mounting on door when top rail is too narrow to install closer in the regular manner. Minimum 2-5/8" (67mm) top rail required. Jamb mounted where there is insufficient ceiling clearance for standard mounting or where it is necessary to allow vertical arm clearance for overhead door holders or frame gasketing.
Model 597F58, when closer is used parallel arm with full cover
(use # 188F65 when used in top jamb or parallel arm with Slim Cover)