Features:1. No easy to damage, no easy to bend. The surface is black phosphated, and the whole is quenched and tempered to ensure the best durability and service life.2. After many quality and safety inspections, the performance is stable and reliable. The workmanship is excellent, and the quality is excellent, which will bring you more convenience.3. This impact adapter reducer set has a specific impact grade design that is made exclusively for drivers, wrenches and ratchets to convert size up or down for your automotive needs in the garage. Square drive converter.4. Unique storage box opens flat for easy access to a quick selection of sizes, it can also be purchased as a gift.5. Allows greater flexibility for sockets and drive tools and maximizes the versatility of ratchets and sockets. Notice:*Actual color may be slightly different from the image due to different monitor and light effect*Please allow 1-3cm deviation due to manual measurementBox Size: 15*9*5cmincludes:1 set x Reducer Converter Adapter Set Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.