Introducing Blazy’s 4-Piece Aluminum Grinder. The iconic 4 pieces 3 chamber grinder has been the staple of the industry for a good reason, it’s simply the best designThe iconic 4-piece 3 chamber grinder has been the staple of the industry for a good reason, it’s simply the best design. The 4-piece aluminum grinder allows you to get the most out of your flower with a solid 3 chamber grinder. The Blazy grinder gives you a quality grind every time – without the ridiculous cost. The Blazy 4-piece grinder comes in several different colors.