[Mortise key] Architect key with cylinder locking nose for PZ mortise locks without shell profile cylinder [Useful scale] Convenient graduation behind the beard of the cone-shaped square for measuring cylinder lengths from 22 to 75 mm [Cabinet key] 3 square keys in sizes 6.7 and 8 mm to control the heating valve or the ventilation grille, etc. [Hex key] Long universal key with 3mm hex key, short variant with flattened cam for emergency openings [Multi-function] New built-in key with a bulge to open cold drinks, multi-functional bottle opener universal key is a good assistant for opening or closing doors and windows on the construction site. The key is stable and the scaling is also for the carpenter to use when measuring locks. The scale for lock cylinder is very easy to read. In addition, in addition to the 3 mm hex socket opening, a bottle opener, a cone-shaped square and 3 control cabinet keys are integrated. Features - Cross architect key with closed cylinder for PZ mortise lock, without profile cylinder in the housing structure - Practical scale behind a square Allen key for measuring cylinder lengths from 25 to 75 mm - 3 square keys, 6 7 and 8 mm respectively, for example for heating, ventilation and control of openings - This master key features a 3mm Allen key on the tip and a short flat cam for emergency opening - Can also be used as a bottle opener Packing content: 1 * Master Key