10-Piece Quick-Change Screwdriver Set with Shank, Extension Socket, Drill Bit Holder, Hex Key Power Tools for Good Concentricity, Rustproof, Suitable for

1. Designed for 1/4" hex shank bits. Good concentricity.
2. Holds bits securely
3. Phosphated to prevent rust
4. High-quality connecting rod
5. Suitable for pneumatic screwdrivers, drills, electric screwdrivers, and power screwdrivers

Technical Data:
Description:
The extension holder is designed for 1/4" hex shank bits and can be used with pneumatic screwdrivers, electric drills, and power screwdrivers. It is rust-resistant.
Features:
Designed for 1/4" hex shank bits. Good concentricity.
Holds bits securely.
Phosphated to prevent rust.
High-quality connecting rod. Suitable for pneumatic screwdrivers, electric drills, and power screwdrivers. Technical data: Material: Carbon steel; Length: Approx. 60 mm / 2.36 inches; Hex size: 1/4 inch; Color: Gray; Quantity: 10 pieces per bag; Weight: Approx. 202 g. Package includes: 10 x Screwdriver bit holders. Note: Please allow 1-3 mm error due to manual measurement. Thank you for your understanding.