The ASR Outdoor Gold Panning Classifier Screens are a must-have for gold prospecting and mineral recovery. Utilizing our high-impact steel wire classifier sieves is one of the first steps in successful gold prospecting by reducing down your material into a manageable size. The Gold Rush Classifier Sifting Set from ASR Outdoor will aid your efforts by sorting your raw material. Available in 9 different sizes for both fine and coarse material sifting, ensuring you'll be able to properly sift all size material. These sifting classifier screens are made of tough, high-impact plastic and 304 stainless steel wire mesh with a reinforced high side wall. Each screen will fit over a standard 5 gallon bucket as well as a 14 inch gold pan and they are stackable, interlocking into each other to ensure that they will not slip or slide when used in conjunction with one another. Proper classification of material by size is the key to more efficient gold separation. This is true for roughing out your material, all the way to the final step of fine gold separation. Using a sieve works for panning, sluicing and high banking equally well.Screening or classifying material into groups based on size will ensure that any gold, whether nuggets or flakes, will not get lost. Separating and processing your gold concentrates by size with a classifier makes gold recovery much more efficient and less labor intensive, is faster and a more effective way to sort speeding up the panning process, resulting in more gold!