Always wobbling or easy to damage walls when twisting screws?Get these Magnetic Positioning Screwdriver Bits which will help you fix and twist the screw accurately, and limit the penetration depth of screwin order to protect walls.No messy work anymore! Making your work more efficient and effortless!MAIN FEATURESAccurate PositioningThese bits help you fix the screw exactly in place without worrying about wobbling or misdirection. Speed up the process of twisting screws so you can work more efficiently and easily!Limit The Screw DepthMagnetic collardesign limits the penetration of screws to the boardand prevents damage to walls or boards by twisting screws overly. Make your work hassle-free.Magnetic & Non-slipThe magnetic and non-slip design allows the screw to attach to the bit without falling off, making your work easierand effortless.Strong and DurableMade of strong chromium vanadium steel, which is wear resistant, durable and with high hardness.Suitable for gypsum board, woodworking board, dry wall and more.Wide CompatibilityWidely compatible with electric screwdrivers, manual screwdrivers, electric drills, hand drills, etc., for easy screw installation and removal.Suitabl