Review on Titanium Nitride Coated Comoware Drill by Brian Campbell

i used a pair of vices i don't have a drill i needed to remove a 3mm hex head screw from a recess i was able to install it in less than 2 minutes with nr drill i put a drill for my left hand on my vise, then I put it in the hole which I turned to the left and I immediately felt it bite. I was so stressed my $700 ES4 was stripped of external battery space, it worked so well I was so stressed thanks