3 different size screwdrivers specifically designed for sewing machines and overlockers/sergers.
- Large (110x5mm) designed for removing the machine's top and side covers.
- Short (wing style) screwdriver (70x5mm) designed to make removing the machine's needle plate a breeze.
- Small screwdriver (78x2.5mm) that is just the right size for adjusting your machine's bobbin case tension.