General description 16Pcs Long Magnetic Screwdriver Bits Set includes various types of screwdriver bit heads: slotted, hex, and torx. The magnetic feature allows for easy handling of screws, ensuring a secure grip during use. Each bit is designed for high precision, allowing for accurate locking of screws without causing damage to either the screw or the screwdriver head. Technical specifications Material: S2 Steel Shank Size: 1/4 Inch Hex Shank Length: 3.93 Inch / 100mm Package Contents: 16 Screwdriver Bits Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with electric screwdrivers Compatible with hand screwdrivers Compatible with electric drills Compatible with air drills