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

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

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

It's a toy! It's a grinder! It's a combination toy and grinder!

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

This 100mm 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.

This 2.5" Sharpstone grinder is made out of aircraft-grade aluminum.

This 2.2" Sharpstone grinder is made out of aircraft-grade aluminum.