Integrated door closer GEZE Boxer with mechanical hold-open device 1) for single-action doors, leaf depth from 40 mm, size 2-4 according to EN 1154 A, guide rail with mechanical hold-open device, hold-open angle infi nitely variable between 800 and approx. 1200 , retaining force of hold-open device can be adjusted, adjustable (when installed) closing force, closing speed, latching action and back check. The closer is completely installed into the door leaf, the guide rail is only visible when the door is open. For right and left closing doors, up to 130 kg leaf weight and up to 1100 mm leaf width Guide rail Boxer FS 20.7 mm Use on single-/double-action door Single-action door Length 440 mm Width 31 mm Height 20.7 mm Integrated opening restrictor 0 1 Integrated hold-open device Mechanical Hold-open device can be switched on and off Yes Hold-open device can be overridden Yes