Mechanism for Daylight, Day-and-Night and blackout roller blinds up to and including 120 cm in size, incl. roller blind Day-and-Night up to 160 cm, maximum fabric height - 250 cm. Made of ABS plastic. Suitable for steel, aluminum pipes with a diameter of 17 mm. Installed without drilling and with drilling. The shaft of rotation of the springs of the mechanism is lubricated to prevent heat from friction. Can be use together with main profile art. 007. Can be fitted with a fishing line tensioner art. 017 and art. 034..