The OG Original 56mm 4 Piece Concaved Grinder is the perfect combination of innovative design and reliable performance. Featuring a unique concaved lid, this grinder ensures a comfortable grip and smooth operation. Its 4-piece construction includes sharp, precision-engineered teeth that deliver effortless grinding every time. This grinder is designed with a pollen screen and a collection chamber, making it easy to separate and store fine particles. Its durable construction ensures it withstands regular use, while the 56mm size provides a balance between portability and capacity.