trick is to PUSH the screw AS you TURN it in.

it comes with 4 or 5 replacement push pins, they are not well built so will probably break on you over time. just make sure you have the pin aligned straight before you start and you should have no problem. I've adjusted four watch bracelets with this so far and it's worked out fine. I usually use an awl to push out pins, then un-threaded pliers to pull it out, it was very easy and sturdy, but recently I had to adjust more women watches and an awl just wasn't small enough.

Bottom line, you know how much you are paying, don't expect too much, it works, just be gentle, patient and it'll do it's job.