Strong, stainless steel potting sieve. 4 mesh sizes 3, 6, 9 and 12 mm aperture. Ideal for grading soil and compost. Handy for dusting over seeds in trays etc... Sieve measures approx 30cm diameter. Perfect for sieving soil, removing debris Can be used to sow seeds Handy for dusting over seeds in trays. The large diameter and deep pan means you can sieve large volumes of material easily.