.There included 4pcs Nozzle Size(1.8mm,2.2mm,2.8mm,3.2mm ),it can be applied to different sizes rivets.
.Easy to release and installation,replaced the traditional welding nuts, welding nuts, and the metal sheet.
.When the nail is stuck,the two different wrechs is easy to help you remove it.
.The item can be combined with power tools to use. Min Torque Strength of power tools is approx 15N.m