Ive used it for a few sets of sights and to dial mine in, otherwise like new.
https://www.amazon.com/Ameriglo-Font-Rear-Sight-Tool/dp/B008FL7NZQ
$100 shipped - SOLD
https://www.amazon.com/Ameriglo-Font-Rear-Sight-Tool/dp/B008FL7NZQ
$100 shipped - SOLD