The Arrow RT188M 1-handed rivet tool was created with both professionals and DIY’ers in mind. Its patented easy-squeeze design allows for maximum power and precision for even the smallest hands. This 1-handed rivet tool is perfect for gutters, downspouts, storm doors, windows, air vents, heating ducts and general home repair. The 4 color-coded interchangeable nose grips can be unscrewed by hand to fit the corresponding rivet size needed for your project. The RT188M comes with a lifetime warranty, 4 color-coded rivet heads (3/32 in., 1/8 in., 5/32 in. and 3/16 in.) and is small enough to be stored in most tool kits and workbench drawers. Ideal for gutters, downspouts, automotive, storm doors, windows, air vents, heating ducts and general home repair.