The multi-function key is used for locking in technical areas of building technology (heating and sanitation, air conditioning and ventilation, electrical engineering), air and water supply, and locking systems. 8-beam version: 2 cross keys connected by magnets for space-saving. Reversible drill: 1.0 x 7 mm slot. The key and the reversible drill are connected by a strong stainless steel thread. 10 Personal data. 2 crosses. 1 key. All common locking systems. Multi-function buttons for building technology (heating and sanitation, air conditioning and ventilation, electrical engineering), air and water supply, and system shutdown. The 2 buttons are connected by magnets for space-saving. Reversible drill: 1.0 x 7 mm slot and PH2 cross key. The key and the reversible drill are connected by a strong stainless steel thread. Weight-optimized zinc cast structure. Square capacity: 5.0 / 6.0-7.0 / 8.0-9.0 / 10.0-11.0 mm. Maximum opening capacity at the back end: 3–5 mm. Opening capacity at half-moon shape: 6 mm. Triangular opening capacity: 7.0–8.0/9.0–10.0/11.0–12.0 mm. Contents: as shown in the picture.