This handy tool allows you to put sheet materials into the horizontal slot and punch out a disc and hole with a hammer. The hole sizes are; 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, and 1 inch. Cuts metal up to 14 gauge thick.This great little metal punch is great to have for all kinds of projects.
Here is a video of a project I use the sheet metal punch for.
Hole Punch Cutter Kit