Black Box Gold Cube Tray Adapter (No Sluice)The BLACK BOX cube tray adapter sluice combo. This cube upgrade not only gives you a great stable cube base for it on top of your sluice. It let's you tail under the sluice and change the angle! Cube Tray NOT INCLUDED Any time you change up mats or angles & widths, you allow for a chance for that trick gold to be captured. Now have the best of both worlds, cubing & sluicing all in one! . 08" Aluminum powder coated cube discharge manifold & leveler