Features: Experience drill bit switching with our Drill Chuck Adapter, a convenient accessory that effortlessly converts B10 to B12 or B12 to B16 size for various drilling needs. Crafted from carbon steel, this adapter is built for durability, ensuring a secure and stable connection. Suitable for enthusiasts, woodworkers, and metalworkers, this chuck adapter serves both professionals and hobbyists who frequently change between different drill bit sizes. Ideal for home repairs, renovations, crafting, or industrial applications, it enhances efficiency by expanding the compatibility of your existing drill bits. Elevate your toolkit's functionality with our Drill Chuck Adapter, a practical solution for streamlining projects and achieving reliable results in any drilling application. Specifications: Component: Carbon Steel Type: B10 to B12 / B12 to B16 Size: Approx. 25.5 x 14.5 x 15.8 mm / 1 x 0.57 x 0.62 inch Package Includes: 1 Set Conversion Sleeve Note: 1. Please allow 1-2 cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the image may not reflect the actual color of the item.