Features: Experience drill bit switching with our Drill Chuck Adapter, a convenient accessory that converts B10 to B12 and B12 to B16 sizes for various drilling applications. Crafted from carbon steel, this adapter is built for durability and ensures a secure, stable connection. Ideal for hobbyists, woodworkers, and metalworkers, this chuck adapter suits professionals and DIY enthusiasts who frequently switch between different drill bit sizes. Perfect for home repairs, renovations, crafting, or industrial machining, it enhances efficiency by expanding the compatibility of your existing drill bits. Upgrade your toolkit with this Drill Chuck Adapter, a practical solution for streamlining projects and achieving reliable results in any drilling task. Specifications: Component: Carbon Steel Type: B10 to B12 / B12 to B16 Size: Approx. 25.5 x 14.5 x 15.8mm / 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 in monitor displays, the image may not reflect the actual color of the item.