On May 19, 2014, at 8:47 PM, nashbok@y... wrote:

> I've always wondered how hard to "use" ratcheting screwdrivers.  I've got two
Yankee #30s and I'm a bit leery about working them too hard.  I usually drill
the largest  pilot hole I can get away with and put some type of lube on the
screw.  I've just seen so many of these things that are  beat to pieces.
> 
I have never seen a idiot proof tool. Everything can be damaged by the right
kind of abuse. But I don't believe you can hurt a tool by using it properly,
even if you try to work it to death.

The destruction you see on old tools is all caused by misuse.