Precision Mini Drill Bit Chuck with Wrench Set Designed for hobbyists, technicians, and makers who require accuracy and reliability when working with small drill bits, this chuck offers a secure grip and seamless compatibility with a wide range of tools. Key Features: Clamping Range of 0.3 mm to 3.4 mm provides a firm hold on small electronic drill bits, ensuring steady performance during fine, detailed drilling tasks. Tail Aperture compatibility supports shaft sizes from 2.0 mm to 5.0 mm, allowing easy integration with various mini drills and rotary tools without the need for multiple adaptors. Durable construction from aluminum and brass delivers longlasting resistance to wear, retaining structural integrity even under frequent, speed use. Includes a mini wrench for quick and firm bit tightening, enabling smooth bit changes and stable operation without slippage. Applications: 1. Ideal for precision drilling in electronics assembly, such as circuit boards and small component enclosures, where accuracy and stability are essential. 2. Suitable for hobby projects including model making, jewelry crafting, and intricate wood or plastic detailing. 3. for smallscale repairs requiring specialized drill sizes, giving consistent control and reliability in tight working spaces. This precision mini drill bit chuck is built to meet the needs of users who demand accurate alignment, secure clamping, and durability for repeated, detailed work. Its versatile compatibility and included wrench allow you to work efficiently across multiple projects with confidence.