3pcs Magnetic Extension Rod, Electric Drill Screwdriver Bit, 1/4" Hex Bit Quick Release Bar Screwdriver Bit Holder, 60/100/150mm

Hexagonal Shank: 1/4" hex shank that can be easily inserted into an electric screwdriver, drill, and hand screwdriver.

Length: 60 mm, 100 mm, 150 mm.

Weight: 60 mm (25 g), 100 mm (32 g), 150 mm (40 g)

Material: CR-V (chrome vanadium steel).

The diagonal diameter of the hex shank is 1/4 inch or 6.35 mm. The inner hexagon has strong magnetism. Features: The interface has a locking mechanism and a built-in powerful magnet.

It is suitable for transferring bits from electric drills, screwdrivers, air drills, etc., expanding the conversion range of various bits and screwdrivers; quick and easy; significantly improves work efficiency.