Description: 1/4 Inch Hex Shank Magnetic Bit Holder Screwdriver Extension Tip Bar 60/100/150mm. Features: High hardness, non-slip, large torque, long life and durable. The screwdriver head has strong magnetic so that it can self-lock the connecting rod. Strong practicability, it can change external six angle into internal six angle. It can join electric screwdriver, screwdriver, screwdriver nozzle, screwdriver head. It applicable for exchanging the sleeve and the joint, prolonging the connecting rod. It can be flexibly used in situation of narrow space, use it to reach the work-place where hands can not reach. Specification: Material: Carbon Steel + CRV; Shank shape: Hex shank; Shank diameter: 1/4 inch (6.35mm); Total length: 60mm/ 100mm/ 150mm; Quantity:1pc; Note: Size for manual measurement, there may be a 0-1cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1x Magnetic Bit Holder