EconoLed Compact Electric Herb Grinder (Assorted) Plastic screw on Cup can hold quite a bit of tobacco or dried herbs High quality and Easy to use Powerful Battery operated Tobacco / Herb Grinder Fast metal spin teeth Powered by 3x AAA Batteries ( not included ) Refines tobacco for smooth smoking and easy rolling Material: zinc alloy,plastic Size: Approx. 150 x 40mm (Height*Diameter) Colors: Red, Gold, Blue, Black and Silver (Color Sent Randomly) Refines tobacco for smooth smoking and easy rolling. Quick and easy to use. No More Sore wrists from manual grinding! great for people who suffer from wrist injuries such as carpal tunnel