kuusiokoloruuvinvääntimet
Kuusiokoloruuvinvääntimet, also known as Allen keys or hex keys, are hand tools used to drive bolts and screws with hexagonal sockets in the head. They are typically made of hardened steel and are L-shaped. The longer end is used for greater torque, while the shorter end can be used in tighter spaces or for faster turning. The hexagonal shape of the tool fits precisely into the corresponding socket, providing good grip and reducing the chance of stripping the screw head.
These tools are commonly found in many applications, from assembling furniture and bicycles to working with