I have a CZ P07 Duty that I really like. Unfortunately for me, not only am I not a fan of the rear U-type sights, but they are significantly off center. I've looked online and couldn't find a CZ specific pusher tool but did come across this Fisher tool. Seems like a pretty simple albeit solid little thing. I feel like I could've made it in shop class in H.S. Anyhow, has anyone ever used them?