The first essential step in grain grading is to obtain a correct and representative sample. Cars, trucks, wagons or barge loads should be sampled with a double tube probe in five or more places. Seedburo probes are made to conform to USDA specifications. They are constructed from extra heavy gauge tubing for durable, time-tested sampling.
They are constructed from extra heavy gauge tubing for durable, time-tested sampling. All probes on this page have an outside diameter of 1-3/8″, are of double-tube construction and have a heavy bronze point (unless otherwise stated). Openings are 3-3/8″ L x 7/8″ W.