3PC Hexagonal Quick Release Self-locking Extension Rod Electric Drill Driver Quick Transfer Rod Screwdriver Extension Rod Tool Product information Features: Length: 60mm, 100mm, 150mm. Hand drill electric screwdriver labor-saving accessory, made of CR-V (chrome vanadium steel) The diagonal diameter of the hexagonal handle is 1/4 inch, which is 6.35mm. Features: The interface has a locking mechanism. Suitable for connecting electric drills, screwdrivers, wind drills, etc., extending the conversion and use of various types of screwdriver heads; Fast and tight Solid; Greatly improve work efficiency. Special reminder: This extension rod can only be used for single headed nozzles, and cannot be used for double headed nozzles!!! Can be used for the transfer and quick replacement of imported and domestic 1/4 electric screwdrivers, manual electric screwdrivers, electric drills, electric screwdrivers, and other tools. Specification:(Please refer to the details page below for specifications and dimensions) Package included: 3PC black quick release connecting rod 60/100/150mm*1 Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. _x000D_