Multi-functional tool in particular for technician responsible for building, comprising bits in various shapes and sizes

摘要

The device has four symmetrically positioned arms (1, 2, 3, 4), each with at least one particular function. The center (5) is designed as a socket with a square inner space, as well as one of the arms (2, 7) but of a smaller size. The other arms (1, 3, 4) are fitted with a hexagonal socket (19), a triangular socket (8), a socket with a key bit (13, 16), and a stepped square bit (6). All of them can be easily exchanged with other bits if required.