This our latest testing on the Keene A52S High Banker Dredge combinaion. This is a upgraded A52S sluice box that is coverted into a powered high banker and dredge. This one piece of equipment provides hands down the finest non classifying sluice box in the world. The best high production back pack high banker dredge that handles the worst type of material such a clays hard packed. This outperforms all other machine out there due to the long classifier screen and superior spray bar design. The dredge also works very well due to the 1/4” classifying screen this really keeps the production high as well as the recovery. We have gone through many different types riffle designs and as well as rubber mats and screens. The combination of the different screen allows you to optimize the fine gold recover and high production levels in sluicing high banking and dredging. There are so many trick things that make the hole experience so much better.