In H-technology with rosettes according to DIN 18255 and DIN EN 1906 made of stainless steel, consisting of: Door handle model 165X made of stainless steel round tube with miter cut (1.4301), diameter 21.3 mm with 1.5 mm wall thickness, featuring a guide and locking groove, with an M5 set screw as an additional fixation of the door handle with the square pin for optimal force transmission into the door leaf. Installation is done by simply snapping the door handles into the pre-mounted components on the door. The locking can be released using a disassembly key. The handle meets the requirements of DIN EN 179. Surface is matte polished. Rosette substructure in plastic-steel composite with black zinc/nickel surface for optimal corrosion protection, integrated holding module with spring support, usable for DIN left and DIN right, to support the lock for a longer lifespan. Fixed rotating bearing of the handles with automatically engaging all-round locking and 5 mm bearing point as a maintenance-free sliding bearing with elastic compensation area to accommodate possible installation inaccuracies. Concealed, loosening-proof screw connection with M5 stainless steel screws and sleeve screw combination as well as support pins that dip into the door leaf. WC version with emergency opening using a square spindle or coin and viewing window (red/white display) on the outside. Rosette cover cap, round, made of stainless steel (1.4301), diameter 55 mm, 10.5 mm high, 1.5 mm wall thickness. Designed and tested for the object area, user category according to DIN EN 1906 - Class 4 set with square pin 8 mm user category: Class 4 Durability: Class 7 Door mass: no classification established Fire resistance: Class 0 Safety: Class 1 Corrosion resistance: Class 4 Burglary resistance: Class 0 Execution type: A.