Door return mechanisms DOOR CLOSER RYOBI D-3550 JAPAN RYOBI D3550 Fire-Resistant Door Return Spring Mechanism (No. 2–No. 3–No. 4–No. 5–No. 6) Branded Japanese Ryobi fire-rated door return spring mechanism of top construction quality and performance. View
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
Corner joints Aluminum connection bracket Magic Corner CAL 113-224 The CAL corner does not require holes in the profiles to function. With a small notch at the edge of each connecting profile (just enough to fit the Allen key for tightening), it hooks and clamps the two profiles firmly while simultaneously aligning them automatically. In the 5th photo, you can see the method for calculating the corner dimensions for each... View