Welding Magnet, Adjust-O, Fixed, On/Off Switch, 30/45/60/90 Degree, 127/140 lbs. Featuring strong Rare Earth magnets, these Adjust-O magnet squares make setups fast and easy with pull forces from 50-140 lbs. Priced right for your budget, these magnet squares are available in regular and heavy-duty versions for 45 and 90 degree angles. Or, choose the heavy-duty, multi-angle magnet squares for 30, 60, 45, and 90 degree angles, ideal for setting round, square, angle, and flat stock. Adjust-O magnet squares are a real value from Strong Hand Tools.