Stansport Sluice Box - Lightweight aluminum box construction makes these boxes easy to transport in and out of the field. Sluice boxes efficiently concentrate large amounts of material. Removable rifles and expanded metal mesh capture even the smallest gold flakes. Includes an easy carry handle. Comes in two sizes: 24in box dimensions: 24in x 7in x 2.5in 30in box dimensions: 30in x 7in x 2.5in