Brand: Sharpstone
This 2.2" Sharpstone grinder is made out of aircraft-grade aluminum.
Brand: Sharpstone
This 1.5" Sharpstone grinder is made out of aircraft-grade aluminum.
Brand: Diamond Grind
This 1.2" Diamond Grind is made out of aircraft-grade aluminum in the USA.
Brand: Santa Cruz
This 1 5/8" four-piece Santa Cruz Shredder is made out of medical-grade anodized aluminum in the USA.