[DETAIL]<br>Length: 60mm, 100mm, 150mm.<br>Energy-saving accessories for electric hand drill<br>Material: CR-V (chrome-vanadium steel)<br>The diagonal diameter of the hexagonal shank is 1/4 inch, or 6.35 mm. Features: The interface has a locking mechanism.<br>It is suitable for the transfer of electric drill, screwdriver, pneumatic screwdriver, etc., to extend the conversion of various screwdriver heads and screwdriver heads; Fast and tight; Greatly improve work efficiency.<br>Special reminder: this extension rod can only be installed with single-head screwdriver, but not with double-head screwdriver!!!<br>It can be used for the transfer and quick change of imported and domestic 1/4 electric screwdriver, manual electric screwdriver, electric drill screwdriver and other tools.<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Origin: Mainland China<br>- Model Number: Quick-change extension rod<br>- High-concerned chemical: None<br>- Origin: Mainland China<br>- Model Number: Quick-change extension rod<br>- DIY Supplies: Woodworking