Tell 800 Series Door Closer has adjustable sizes 1-6. Designed for interior commercial use and comes with Tri-Pack hardware for various installation options - regular arm, parallel arm or top jamb. Backcheck is adjustable, hydraulic - providing cushioning and preventing uncontrolled openings of the door. Up to 180 degree door range. Grade 1, heavy-duty commercial door closer complies with ANSI A156.4.
