2.5 lb Stainless Steel Tumbling Media Pins, 0.039 Inch Diameter, 0.255 Inch Length

Metal pins yes metal pins The media is stainless steel pins Small ones as a matter of fact

Was highly recommended on a variety of youtube videos for cleaning ammo brass. I agree

I used this media to clean brass cases tumbling in a Harbor Freight tumbler. Works great!

Works well in small rock tumbler for cleaning baffles. I have used them several times and they still look brand new. Great value for the peice. The only downside to it was the packaging. It came in a small plastic container that was smashed upon arrival.

Works great, looks like gold, clean inside and out. Wet tumbler with dawn dish soap and tablespoon lemon shine

Working well and getting the job done

I got a Frankford Arsenal Lite Tumbler with some second-hand equipment and liked what it was doing. The trouble was with the original 2 lbs of SS media I couldnt put many casings in the container. I purchased this media to add to what was already in my tumbler. I added an additional pound of this media and the tumbler cleans more cases in a shorter amount of time. Every two or three reloadings the casings get a thorough cleaning with this media. The casings are then sized and trimmed returning them to factory specs. The media was shipped and arrived in a short amount of time and in good condition. Its stainless steel so the only way it gets used up is if it gets thrown out, dropped, or otherwise lost. It is exactly the same size as what was already in the tumbler. Works great. I would recommend to others.

I tried with out and with the pins and it is much better with the pins ...

Best price per lb. Functions as should, and cleans 9mm, 5.56 and .308 brass like new in 3 hours

The stainless steel medium works fantastic. Cleans the primer pockets and the inside and outside of the shells. Add a little lemon fresh and they look new.