36 Inch Sluice Box - Gold Mining Equipment Sluice box size is 36 inches L x 10 inches W x 3 inch high sides. Weighs about 6 pounds Sluice Box is made out of strong .080 gauge 5052 aircraft aluminum unique elongated 45 degree z-riffles are great for trapping gold Up front ribbed matting for fast gold ID and down below is expanded metal over ribbed miner's carpet