Review on Hillman Group 556 1 Inch 12 Pack: Heavy-duty Hardware Essential for All Your Projects by Scott Channell

I had to remove an old Marlin model 80 gun barrel, the barrel pinches and snaps. The old pin was useless so I bought a 2/0 reamer and a pack of these pins. It's almost impossible to line up the old pinholes when the barrel is reinserted. I could approximate it, but not exactly. I open up the pin hole a bit with a reamer and insert one of those pins. I had to cut the pin because it was longer than I needed but they worked great. If you need to remove a Marlin Model 80 rifle, use these pins. Note that when looking at the breech from the breech side of the rifle, the pin needs to slide from the left side of the receiver to the right side. Great product for the job.