Product Features 1: The shell is made of high-hardness cast aluminum, which is durable and stronger. 2: It is not tiring to work for a long time, and the human body is comfortable to hold. 3: Alloy steel forged gun head, strong and durable, labor-saving and efficient. 4: The handle is made of hard plastic, and the surface is non-slip, which is not easy to slip. 5. The high-strength connecting rod can better match the gun drill instructions 1: Adjust the electric drill to the appropriate speed 2: Open the electric drill chuck, insert the adapter joint, and tighten the joint forward. 3: Turn on the reverse function of the electric drill until you hear the sound of "da da da", insert the appropriate size rivet 4: Then turn on the forward rotation function to align the punch hole and drive the rivet 5: Turn on the reverse function again and exit the rivet list 1 x Riveted Adapter 1 x Auxiliary Handle 4 x Rivet Heads 1 x Wrench