I am a woman who does most of the repairs around my house. A very handy tool that I have had for countless years, is my old staple gun.  When I ran out of the box of Arrow staples, I purchased a generic,  inexpensive new box at the local hardware store. . UGH, what a mistake. I took them back after I tried to use them, and realized how flimsy they were. No one in town had this brand, but Amazon had them, of course!  I laughed that, my old box had a $1.29 label still stuck on it. Since this new box was considerably more, I am left to wonder just how long ago I had purchased the old box!  The genuine part may cost a little more, but as for most things there is no substitute for quality.