Tribest Mason Jar Personal Blender (PB-300) Compatible with ball brand and kerr brand regular-mouth glass jars Blending/grinding blades are completely enclosed during operation, making it impossible to come in contact with spinning blades The powerful 200 watt motor easily blends all your favorite ingredients, including ice, and grinds all your grains, nuts, and seeds 2 modes of operation: One touch pulse and press and twist continuous modes for blending and grinding to that perfect consistency Less waste, less mess, and less hassle