The Sutra Aluminum 4 Piece 50mm Grinder is manufactured by Sutra Vape, a leader in quality grinders and Vaporizer accessories. The Sutra Aluminum 4 Piece 50mm Grinder is 50mm in diameter, 1.4 inches in height and is available in a wide array of colors. The 4pc interior is divided into three separate compartments: grinder, sifter and container. The Sutra Aluminum 4 Piece 50mm Grinder has razor sharp non-breakable shredding teeth. The sifter has a fine steel mesh screen while the outer shell includes ergonomically sound notches on the top and bottom for easy twisting.