The must need tool for installing rain gutter! This amazing tool turns what used to be a minimum two person job into a one person job! With this gutter tool, you can easily hang and adjust the slope of your rain gutters by yourself! The width at the bottom is 5 inches inside and 5.25inches to the center of the back slotted hole. *Now with new and improved slot to easily remove from a screw! The slot is now included on all gutter hooks instead of the screw hole at the top! This tool is perfect for everyone from the home DIYer to the expert level gutter installer teams that just need an extra hand some days! This tools makes a great gift for the guys and gals in your life that install rain gutter! The tool is made of aluminum! The tool is has a rubber protective coating to prevent scratching on the newly installed gutter. Please let us know if you have any questions! Make sure to check out all of our other handy man tools!