Hexagon wrench is a common installation and removal tool
The Allen key is a common installation and disassembly tool. The Allen key is a hand tool that uses the lever principle to turn bolts, screws, nuts and other threaded fasteners that hold the openings or sockets of bolts or nuts. The wrench is usually equipped with an opening or socket for holding the bolt or nut at one or both ends of the handle. When used, the bolt or nut can be turned by applying external force on the handle along the direction of thread rotation.
More news
