A wrench is a commonly used installation and disassembly tool. Apply external force to the handle and twist the bolt or nut.
There are 6 contacts between the inner hex screw and the wrench handle, produce a uniform stress and would not damage screw on the driver head.
Both ends can be used, great accessory for ers.
The inner hex structure is applicable to any screw angle, very versatile.
Simple design with lightweight body, portable and easy to carry.
