New building key, solid metal key made of malleable cast iron, with a wide range of possible uses in buildings, especially new buildings. Features: 6, 7 and 8mm internal square, 6-10mm external square for doors and windows without fittings, 3mm hexagon socket key (hexagon socket) for grub screws on door handle levers, pin for closing and opening profile cylinder lock holders (17mm diameter), depth gauge for built-in locks 22-75mm, bottle opener, total length 195mm.
