Niubid10 Pack 3/4 Inches x 4 Inches Black Malleable Steel Nipples Fitting, DIY Steampunk Industrial Vintage Style.

Solid build. Easy to use. However, covered in rust powder and some rust damage. I had to wash them to use. Since they were the bottom of my shelf, they wouldn’t be seen.

Warning Rusted Junk. These came rusted and dinged up losely in a thin yellow envelope. Total junk that looks like someones old rusty pipes.. Nothing like the description says and barely black. Made in ChinaBought same size from another company around same priče. So much nicer. in a box and separate by foam inserts on both ends. All brand new solid black. no rust or dings.

Very disappointed that all 10 pipes were rusted which meant I couldn’t use them for my office shelf project without first stripping them down and painting them.Unless you don't care about the finish or are willing to spend the time refinishing, I would not recommend.

These are marketed as cast iron black pipe. It's actually super thin wall metal of some type but most definitely not cast iron. The threads are also extremely short so there's no adjustability. I tried to cut the threads a little longer with my threading machine and it just cut through the pipe.

Used many of these parts to build par shelves and bathroom shelves. Worked just as I needed and for only half the cost of the big box store options. Would recommend to others for sure!