Hi all...
Here again looking for your dear help...I just received my Dawson night sights for my CZ 75 D...installed the front one without doing any damages, sheer luck and patience...lol...but could not complete task...rear sight (oem) screw, needs an Allen wrench to remove the lil screw, the tool that came with he Dawson is too big...Anyone happens to know which size of wrench tool I should buy...much appreciated your kind help.