- MAG DRILL CHUCK ADAPTER: Convert your 3/4" Weldon shank to a 1/2" Jacobs style chuck with this high-quality adapter, designed for industry-standard compatibility. - ADJUSTABLE FUNCTIONALITY: This Jacobs drill press chuck converter is adjustable to accommodate drill bits up to 1/2" in diameter, providing flexibility for various drilling tasks. - VERSATILE USAGE: Ideal for use with magnetic drills and drill presses featuring a 3/4" Weldon or 2 Flat tool holder. Also compatible with variable speed and reversible drills, making it a valuable addition to your toolkit. - HEAVY DUTY QUALITY: Manufactured in Germany, the IBC 17 Weldon chuck accessory is engineered for durability, capable of withstanding the most demanding drilling applications. Use Scenarios: 1. Metal Fabrication: Perfect for professionals in metalworking, allowing for precise drilling with standard Jacobs bits on magnetic drills. 2. Construction: Enhance your drilling capabilities on-site with this adapter, ensuring compatibility with various drill types and sizes. 3. Maintenance and Repair: Use this versatile adapter in maintenance tasks, making it easier to switch between different drill bits without needing multiple chucks. This product combines functionality and durability, making it an essential tool for any serious tradesperson or DIY enthusiast.