6mm bit adapter designed based on a standard electric screwdriver mold

         0. Two models are provided to ensure stability when using slightly longer 4mm bits

         1. Large 6mm-to-4mm adapter for commonly used household bits—convenient and easy to use

         2. Magnets embedded at both ends of the adapter (3.5–4 mm) to prevent it from falling off

         3. Manufactured using FDM printing principles; flat-bed printing yields a remarkably robust physical part

         4. Not recommended for use in harsh environments, such as on screwdrivers with a torque exceeding 5 N·m

Note: Although the printed part may sound and look somewhat unreliable, I have been using this PETG-based print for over two years. It handles disassembly and assembly of electronic devices as well as screws on plastic doors and windows with ease, and the adapter has remained undamaged.