When you do not have a suitable spanner to Unscrew the hex-head bolt will help out any screw with two nuts — preferably square-shaped.
Recommend to read
IT IS POSSIBLE AND WITHOUT GLUE
Cracked plastic case compact vacuum cleaner "bumblebee" can be fixed without resorting to the traditional way of gluing. Enough to pull on the housing section of the camera motorcycle...
YOUTH OLD GUITAR
Recently born, the guitar has managed to acquire its own history. At first it was a simple hybrid between a conventional housing with a wiring diagram. Then came the so-called "Board":...