Home › Tools › Pro Picks: Klein Magnetizer/DemagnetizerPro Picks: Klein Magnetizer/Demagnetizer You’ll want to have this tricky little tool nearby for all kinds of home-improvement projects. Find out what makes it so cool in this Pro Picks video. The Construction Pro Tips guys review a nifty little toolbox accessory in this episode of Pro Picks. What’s so special about the Klein Magnetizer/Demagnetizer? Watch the video review from Construction Pro Tips to find out! Click here to see more Pro Picks videos.