Helley-Smith Hand-Held Sampler

Specially designed for collecting sand, silt, gravel, or rock debris carried by streams or immediately above their beds. Ideal for collecting bed load materials which have partial sizes or a density that does not allow great movement above or away from stream bed. 4 lb. (1.8 kg) Hand-held sampler has a 3” x 3” entrance opening and a 3.22 expansion ratio chamber. 250 Micron mesh bag (sold separately) is made of nylon for excellent abrasion resistance. Sampler made of stainless steel. Handle extends from 4’ to 8’.