As this is my first instructable i would be very happy if you leave a comment. (so i can improve it) :)
Step 1: Material
1. a cheap screwdriver
2. a piece of aluminium bar stock
3. a piece of steel bar stock
4. a piece of aluminium tubing
5. Black paint
(6. Some liquid rubber for the set screw // optional)
Step 2: Tools you need
1. Safety glasses
4. tap and tap wrench
5. a hecksaw
6. a lathe
7. a brush
8. several lathe tools for machining the parts
9. a drill press
10. an angle grinder
Step 3: Measuring and designing
Now, draw a sketch with the correct measurements for your handle. You will need the sketch during the production of the parts.
Step 4: Machining of the parts
For the beam guard you can cut a piece of aluminium tubing at an angle of 45 degrees.
Machine the setscrew for locking the tool into position when you insert the shank into your handle.
Step 5: Drilling and threading
Step 6: Paint the handle
After the paint has dried you can sand off the excess paint.