Tell Commercial 600 Series Grade 1 Aluminum Door Closer

Non-handed commercial door closer. Adjustable, hydraulic backcheck to provide cushioning and prevents uncontrolled door openings. Adjustable spring power 1-4. Fits 1-3/8 In. to 1-3/4 In. thick doors. Tri-Pack mounting for regular, top jamb and parallel arm applications. Forged steel main arm accommodates reveals up to 3-1/4 In., adjustable extension arm. Up to 180 degree door range. 9-1/16 In. horizontal and 3/4 In. vertical mounting hole locations.