12 Piece Sieve Set

12 Piece Stacking Sieve Set . These sieves are 4 inches (100mm ) diameter with high impact plastic side walls and stainless steel mesh and stack and twist lock into each other and include a top cap and a base.  The mesh sizes start at 4 ie 4 apertures per inch or approximately 1/4 inch to 6, 8, 10,12, 14, 16, 18, 20, 30, 50 and 100 . This screen set is perfect for sizing gold nuggets as well as concentrates.