It's a Grizzly brand sheet metal punch, and it's a knock off of the Whitney XX deep throated punch. It is a fraction of the price. I paid about $75 for the punch, the bench mount & several extra punches and dies ($1.25 each) in my most common size needed. If I got all this from Whitney I'd be paying around $300-$350 I think.
It comes in a blow molded plastic case, always a plus. It came covered in oil, which is better than rust, but looked like motor oil. No complaints here.
The punches and dies threaded in easily. The punches body itself is sand cast I believe, it looks to be a good casting, easily beyond my ability to cast that well. It has a rubber pad on the arm that slips off easily, but whatever.
I punch 9/64ths holes in 16g 304 stainless with relative ease. I've punched several hundred on the original punch without issue. I also punched through street sign aluminum and 14g brass.
The bench mount ($12? Can't recall) was absolutely worth it! Order this with it! It's easy to use, and once it's on it acts like a stand so you really don't need to bolt it if you don't want to. I use a c-clamp because bench space is at a premium in my 6x10 work space.
Anyone looking to punch lots of holes should seriously consider this, I'm sooo done buying cobalt drill bits


