Door return mechanisms RYOBI D-2050T Door Return Spring Mechanism with Track-Rail Arm 360-019 RYOBI D-2050T Fire-Resistant Door Return Spring Mechanism with Track-Rail Arm Suitable for metal, wooden, and glass doors. Equipped with an anti-vandalism arm mechanism. Adjustable backcheck from 60° to 105°. Closing force: No. 3 – for door leaf width up to 95cm. Tested for 500,000 operating cycles. Color: Silver. View
