With this tool set, you can convert your 3/8 ratchet wrench or your electric drill into a manual or electric rivet machine. In this way, you no longer need to purchase a separate riveting tool. If you are interested in this product, come and have a try, it will not let you down. Features: Pratical Conversion Tool Set: With this tool set, you can convert your 3/8 ratchet wrench or your electric drill into a manual or electric rivet machine and you no longer need to purchase a separate riveting tool. 5 Rivet Nuts Sizes: There are 5 different rivet nuts sizes for you to use: M3, M4, M5, M6 and M8. Easy to Use: It is easy for you to install this conversion part into your electric drills and no need too much professional skills. Storage Box: Comes with a storage box for you to store these accessories neatly in the box and easy for you to carry. A Full Accessory Set: This accessory set contains all the accessories you need to using during the conversion. Specifications: Material: