Originally Posted by whunter

I have one of those, and use it regularly, they are mid level quality = durability is a few hundred springs, then junk it and buy a new one.

The KLAN tool durability is good for thousands of springs:
* Mine has been demolished by (idiot) coworker using a 3/4 impact gun on it = forced them to replace it.
* Mine was stolen recently, and will not be replaced at $1,300.00 USD.