5pcs/set Magnetic Positioning Screwdriver Bits tip Woodworking Screw Hex Shank Gypsum Board Positioning Bit Batch Head 25/50mm Description: 1. This positioning screwdriver bit is weak magnetic, not strong magnetic. When using it, the tool must be aligned with the center of the drill bit; 2. Please pay attention to check whether your tools are magnetophilic metals such as iron, nickel, cobalt, etc. Many tools metal surfaces will be plated with other metals, so that they will not be attracted, such as: gold, silver, copper, aluminum, tin , lead, titanium, etc. 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! Material: Chrome Vanadium Steel Size: 25x15mm, 50x15mm Interface to Electric Drill/ Screwdriver: 6.35mm/0.25” Hexagon Shank Package Includes: 1pc * 25mm Bits 1pc * 50mm Bits 5pcs * 25mm Bits 5pcs * 50mm Bits 2pcs * 25mm Bits 3pcs * 50mm Bits Specifications: Accurate Positioning These 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 Depth Magnetic collardesign 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-slip The magnetic and non-slip design allows the screw to attach to the bit without falling off, making your work easier and effortless. Strong and Durable Made 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 Compatibility Widely compatible with electric screwdrivers, manual screwdrivers, electric drills, hand drills, etc., for easy screw installation and removal.Suitable for maintenance and installation of equipment in home furnishing industry. Package Included: 5pcs Magnetic Positioning Screwdriver Bits