4-part grinder from the g-rollz brand. sharp teeth for perfect grinding of tobacco and herbs. originally decorated on the top with a "pet rocks dog" graphic. brand g-rollz material aluminum color black decorations pet rocks dog shape round specificities grinder 4 parts g-rollz pet rocks dog a lid a unscrewable grinder a container with integrated sieve a base for recovery diamond-shaped grinding tip for greater efficiency dimensions grinder 4 parts g-rollz pet rocks dog diameter (cm) 5.3 cm