Features: high quality aluminum alloy, durable & sturdy. Extra-strength magnetic force can hold bits securely, and easy to replace. Ergonomic design, easy to handle and provide greater torque. for hex shank 1/4" Bits. Suitable for watch, laptop, glasses repairing hand tool. Specifications: Material: Aluminum Alloy Length: apporx 10cm/3.9in Strong Magnetic Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Magnetic Bits Holder