IMPORTANT: Please measure the gap between your drill chuck and your arbor to see if your gap is large enough to fit our heavy duty, thick wedges. CONFIRM CORRECT SIZE BEFORE ORDERING. These drill chuck removal tools are made to work with your JT3 drill chuck. Thick and durable for reliable performance. The size of the gap between the drill chuck and arbor for removal will vary depending on the specific chuck and arbor involved. Please confirm the thickness of our wedges will fit in your application before ordering. Choose the right removal tool that matches the taper of your drill chuck for proper fit and functionality.