This grinder is made out of CNC aluminum and features polycarbonate windows.

This 3" acrylic grinder features pyramid-shaped teeth and is perfect for on the go use.

This 2.5" acrylic grinder features pyramid-shaped teeth and is perfect for on the go use.

This 2" acrylic grinder features pyramid-shaped teeth and is perfect for on the go use.

Storage area dimensions: 4.5" x 1.75"

This 100mm four-piece grinder is made out of aircraft-grade aluminum.

Storage area dimensions: 3.1" x 1.2"

This 63mm four-piece grinder is made out of aircraft-grade aluminum.

This 56mm four-piece grinder is made out of aircraft-grade aluminum.

This 50mm four-piece grinder is made out of aircraft-grade aluminum.

This 42mm grinder is made out of aircraft-grade aluminum.

This 3" Sharpstone grinder is made out of aircraft-grade aluminum.