[Mortise key] Architect's key with cylinder-closing nose for PZ mortise locks without profile cylinder in shell construction [Useful scale] Practical graduation behind the beard of the cone-shaped square for measuring cylinder lengths of 22-75 mm [Cabinet Key] 3 square keys in sizes 6,7 and 8 mm to check the heating valve or ventilation grill, etc. [Hexagon key] Long universal key with 3mm Hexagon Allen key at the tip, short variant with flattened cam for emergency openings [Multi-function] New construction key integrated with a bulge for opening cold drinks, multifunctional bottle opener The scale for lock cylinder is very easy to read. Furthermore, in addition to the 3mm hexagon socket, a bottle opener, a cone-shaped square and 3 control cabinet key are integrated. Feature - Architect's cross key with cylinder closed nose for PZ mortise lock, no profile cylinder in the housing structure - Practical scale behind a square Allen wrench for measuring cylinder lengths of 25-75 mm - 3 square wrenches, 6 7 and 8 mm respectively, for example for heating ventilation and opening inspection flaps - 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 Specification Material: chrome-plated zinc alloy Color: silver Size: length 19.5CM Packing list: 1 * Master key