Even if a key is inserted from the inside, the cylinder can be operated from the outside. This prevents children from locking themselves in, for example. It also makes it easier for you to gain quick access to a person in need of help. Suitable for FrameTec Select 2.0 glass partition wall system.
Matching profile cylinder (63 mm = pitch 31.5 / 31.5 mm) for flush fitting on the clamping plate side.
