Features Rotatable Head -- The head can rotate up to 20 degrees for use in corners or narrow positions. Wide Application - The rotary drill bit holder has a 1/4 inch hex shank and can be used with any chuck or electric drill. Built-in Strong Magnet Built-in strong magnet, can quickly connect a drill bit and 1/4 inch hex shank socket. High Hardness - Chrome vanadium steel forging, high hardness and high torque, surface plating, not easy to rust. Easy to use - Can be used in linear or swivel mode by adjusting the locking ring. Features: The head can be rotated up to 20 degrees for use in corners or narrow positions. Can be used in linear or pivot mode by adjusting the locking ring. The rotary drill bit holder has a 1/4 inch hex shank and can be used with any chuck or electric drill. Built-in strong magnet, can quickly connect drill bit and 1/4 inch hex shank socket. Chrome vanadium steel forging, high hardness and high torque, surface plating, not easy to rust. Features: Material: metal. Color: Black + Silver Connection size: 1/4 inch hex handle Length: 88 mm Package contents: 1 x Magnetic Bit Holder Package List