• 'U' Offset Slide-Arm Hardware Package for Doors with 7/8" (22.2 mm) Shallow Top Rails
• Spring Power Adjustable Closer Suitable for Doors from 30" to 42" (762 mm to 1.07 m) Wide
• Ten Year Limited Warranty U.L. Listed

The CRL Jackson® 21201 Series Overhead Concealed Closer with 'U' Offset Slide-Arm Hardware Package consists of a Spring Power Adjustable Closer mechanism, which depending on the selected spring size and closer function, is suitable for a range of doors from 30" to 42" (762 mm to 1.07 m) wide. The Closer is packaged complete with Cat. No. 201387 Mounting Clips, 20942 Offset Arm Package, 20368 Slide Channel, and complete installation instructions. The Closer has dual independent valves for closing and latching speeds. 90º Hold Open with fixed adjustable spring power size. Door Closers fit into standard 1-3/4" x 4" (or larger) header extrusions.