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