In H-technology with rosettes according to DIN 18255 and DIN EN 1906 made of stainless steel, with a matte brushed surface, consisting of: Door handle model 272X in U-shape made of stainless steel (1.4301), base diameter 21.3 mm, with base guide and detent groove, featuring an M5 threaded pin for additional fixation of the door handle with the square pin for optimal force transmission into the door leaf. The handle meets the requirements of DIN EN 179. 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. Rosettes 305.21X and 306.23X, substructure 305.21X in plastic-steel composite construction with a 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 handle with self-locking 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 immerse into the door leaf. Rosette cover cap, round, made of stainless steel (1.4301), diameter 55 mm, height 10.5 mm, wall thickness 1.5 mm. Designed and tested for the object area, usage category according to DIN EN 1906 - Class 4 set, with square pin 8 mm, for door thickness 38-48 mm, handle length 145 mm, room set. Additional technical features: fastening system: H-technology.