General description These CSPARKV magnetic screwdriver bit holders are designed for versatility and efficiency in various DIY and home improvement tasks. The set includes 9 pieces in three practical sizes, making them suitable for a wide range of applications. Technical specifications Package includes: 9 screwdriver bit holders Sizes: 3x6 cm, 3x10 cm, 3x15 cm Universal 1/4" hex socket Materials: Carbon steel and CRV Compatibility and accessories Compatible with most screwdrivers and electric drills Suitable for electric screwdrivers, pneumatic screwdrivers, hand drills, and electric bits Usage Quick fixation with built-in magnet for improved work efficiency Compact design for easy storage in tool kits