4pcs Electric Drill Screwdriver Extension, Quick Release Magnetic Drill Bit Holder with 1/4" Hex Shank for Drill and Handheld Driver (60/75/100/150mm)

• Drill screwdriver extension is made of high quality steel, sturdy and durable, high hardness and large torque, has long service life.
• The screwdriver head has strong magnetic so that it can self-lock the connecting rod, fast quick release will greatly improve work efficiency.
• Drill bit holder can change the outer hexagon into the inner hexagon, widely used to join electric screwdriver, screwdriver nozzle, screwdriver head.
• Length includes 60/75/100/150mm, which can meet your various needs, great for working to somewhere hard to reach.
• applicable for exchanging the sleeve and the joint, prolonging the connecting rod. It can be flexibly used in situation of narrow space.

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. Specifications: Shank shape: Hex shank Shank diameter: 1/4 inch (6.35mm) Sleeve diameter: 10mm Sleeve significant depth: 9.5mm Color: Sliver Length: 60/75/100/150mm Hex Size: 1/4" Package Content: 1x 1/4 Magnetic Hex Shank Bit Holder