90 Degree Screwdriver
The idea is to be able count the number of turns as you adjust the pilot
screw by feel. There are 16 hash marks equally spaced around the
circumference of the handle that agree with the detents, so it comes as
no surprise that if you count 8 clicks, (which agree with 8 marks on the
handle), you're at a half turn on the pilot screw. While this is a
design feature, I found it interfered with the "feel" of getting the
flat bit to agree with the slot of the pilot screw. I also found it
masked the feeling of the pilot screw turning...so much that I took the
end cap of the tool off (it is secured with an allen set screw) and
removed the small ball bearing to defeat the click feature. Put back
together without the ball bearing, the action is smooth and allows for a
much better feel for adjusting the pilots.Interesting notes: The handle that you turn has a small spring loaded
ball bearing inside which acts to give the tool a positive click like
feel while adjusting the pilot screw.
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