Mamba Battery Powered Premium Electric Herb Grinder. 20X Faster Than Manual Hand Grinders, Forward-Reverse Action Never Jams – Easy One-Handed Operation – Grinds Toughest of Herbs (Capacity 0.5 grams). The Mamba is equipped with razor-sharp teeth to give you the perfect grind and texture – with minimum effort – all at the push of a button! The Mamba is the first of its kind, uniquely designed for premium results and maximum satisfaction with minimum waste. Step into the future with the ultimate herb grinding tool. With great design-function compatibility, the Mamba is perfect for those suffering from hand RSI, wrist strain, Fibromyalgia and other hand and wrist problems – take it easy and enjoy the perfect grind without the effort!