6pcs Assorted Magnetic Allen Key Wrench Drill Bit Attachment Set with 1/4 Inch Hex Shank S2 Steel H2/H2.5/H3/H4/H5/H6 Metric Impact Hex Head Screwdriver Bit Set - 3.93 Inch / 100mm Long

Hex Head Screwdriver Bit Set Includes a set of 6 metric Allen wrench drill bits: H2, H2.5, H3, H4, H5, H6, each clearly marked with laser etching for easy identification. Shank: 1/4-inch hex shank. Length: 3.93 inches (100mm). Industrial-Grade Material Crafted from premium S2 alloy steel and treated with a specialized heat process for enhanced torque and exceptional hardness. The black phosphate coating provides superior resistance to corrosion and rust. High Precision Manufactured with CNC precision machining to ensure accuracy. Designed to withstand high-torque impacts from pneumatic tools, significantly extending durability and performance. Strong Magnetic Grip The reinforced magnetic hex bits firmly hold screws in place for easy and quick installation. The magnetism remains strong even after repeated use, boosting efficiency. Versatile Compatibility Ideal for use with electric screwdrivers, manual screwdrivers, power drills, and air drills. Perfect for home repairs, automotive work, and various fastening applications. The 1/4-inch hex shank allows for quick and easy attachment to power tools, especially those with a quick-change chuck.