General description These drill bit holders are designed for electric and pneumatic screwdrivers, made from high-quality carbon steel and chrome vanadium steel. They feature a sturdy structure for maximum durability and long service life. The compact size allows for easy portability and storage in various tool kits. Technical specifications Material: Carbon Steel and Chrome Vanadium Steel Hex Shank Size: 1/4" Hex Socket Size: 1/4" Lengths: 6cm/2.36", 10cm/3.93", 15cm/5.9" Quantity: 3 Compatibility and accessories Universal 1/4 inch quick-release hex shank Compatible with most drill bit extensions Installation Magnetic cutting head for quick connection and disconnection Holds bits securely in place during use Usage Ideal for extending reach in tight spaces Use appropriate extension bracket as needed