BLACKROBOT 8-Piece Drill Bit Extension Set, Magnetic Quick Change Impact Bit Holder in 2.5", 4", 6", 12" Sizes, for 1/4" Hex Drives, CR-V Steel, Ideal for Screwdriver Bits, Nuts, Drills - size: 8-Piece

About this item

• QUICK RELEASE BIT HOLDER: BLACKROBOT impact driver bit holder is available in 2.5-inch, 4-inch, 6-inch, and 12-inch sizes for diverse tasks. 2.5" drill bit extender fits narrow spaces, enables quick hexagonal tool conversion, and allows swift bit release for efficient disassembly. 4" and 6" versions extend reach moderately, accessing deeper areas like cabinet crevices or equipment inner compartments easily. 12" long drill bit extension excels in extra-deep spaces (e.g., large machinery interiors, wall cavities) where shorter sizes are insufficient. All feature an ergonomic grip to reduce hand fatigue during long use, ensuring consistent efficiency and precision
• AUTO - LOCKING DESIGN: The locking bit holder features an auto-locking mechanism for quick, secure bit changes, protecting your fingers and ensuring hassle-free use. Its extended torsion zone absorbs torque peaks, reducing stress on the bit tip for improved durability. With a precise fit that minimizes wobbling and maintains excellent concentricity even at high speeds, our BLACKROBOT bit holder for impact driver is perfect for achieving smooth, professional results in heavy-duty tasks
• MAGNETIC GRIP GRAVITY DEFYING: Equipped with a high-intensity magnet, the precision - engineered magnetic drill bit holder firmly grips components. During disassembly, the magnet bit holder's magnetic force counteracts gravity, ensuring screws don't fall out. BLACKROBOT drill extension is especially vital for high-altitude operations, enhancing safety and efficiency.Please note that the magnetic conduction has a limited range, and when connected to extra-long bits, the magnetic force on the screw may be slightly reduced
• CHROME VANADIUM STEEL: BLACKROBOT drill extension bit holder, crafted from high-quality CR-V steel, is strong, durable, and corrosion-resistant. Their bodies' phosphating treatment provides excellent rust-proofing, boosts durability in various conditions, and enhances wear-resistance, reducing metal wear. Additionally, each bit's blue-aluminum-tube-topped head makes them highly visible in any tool setup or workplace. This hex bit holder is built to last, even in the toughest environments
• WIDE APPLICATION: The BLACKROBOT 1/4 bit holder set is essential for various hexagonal tools. Compatible with 1/4-inch products, our screwdriver bit holder is perfect for installing, loosening, or removing tasks with pneumatic, electric, and manual screwdrivers, drills, and impact drills. Ideal for DIY projects, home maintenance, and repairs—including motorcycle, bicycle, and carpentry—this versatile tool is a must-have for professionals and hobbyists

Overview

• Material: Chrome Vanadium Steel
• Finish Type: Uncoated
• Shank Type: hex
• Brand: BLACKROBOT
• Tool Flute Type: Spiral