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 screw in order to protect walls No messy work anymore Making your work more efficient and effortlessMAIN 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 easilyLimit The Screw DepthMagnetic collar design limits the penetration of screws to the board and 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 easier and 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 Sui