Made of aluminum and plastic material to ensure strength and durability for long lasting usage. Quick and easy to use, tobacco grinder crusher is an essential tool for DIY of smoker. Electrical aluminum tobacco grinder refines tobacco for smooth smoking and easy rolling. Easy to carry around, fits perfectly in the pockets or case or your carrying bag. Fast metal sharp spining teeth, powered by 3x AAA Batteries(not included). Specifications: Material: Aluminum+Plastic Color: Blue Size: 14 x 4cm Package Included: 1pc x Electric Grinder