Made of fine quality material, practical, easy to install and use, wide application range, has a long service life. Features: Alloy steel forgedhead, sturdy and practical, fast rivets. The three-jaw clip with quenching and hardening is more wear-resistant and extends the service life of the adapter. The hexagonal screw of the adapter is connected to the electric drill, which quickly transforms into an electric rivet machine and is easy to install. High-hardness hexagonal connecting rod is firmly clamped and can be used in lithium electric drill, torsion drill, hand drill, etc. Pull the rivet clockwise and pull back the rivet counterclockwise. Widely used in door and window industry, electric appliance and air conditioning production, aviation and navigation equipment, aluminum alloy and other riveting, automobile manufacturing and production. Specifications: Material: hard alloy Color: black+silver Suitable rivets interface: 2.4mm, 3.2mm, 4.0mm, 4.8mm Chuck length: 30mm / 1.2in Chuck