This Four Piece Rainbow Grinder will have you rolling up something special in no time. The 4 piece grinder comes with a standard spoke grinder, herb screen, herb container, and herb spoon. Don't waste your crystallized herb, the herb container collects all of it so you can sprinkle something special into your bowls, joints, and blunts. Use the provided herb spoon to pick up all of the smaller marijuana particles. The rainbow color changes depending on the light, which makes it a cool herb grinder to own! The solid aluminum will grind up any flower you throw in for easy rolling!