For tanker trucks or 55 gallon drums. Rugged construction is both strong and light weight. Corrosion resistant PVC tube makes it extremely durable. The tube contains a stainless steel rod and neoprene stopper. Standard size 5 ft. tube has 2 1/2" diameter and samples 1.1qt. (1.2 liters) Available up to 8 feet and in various tube diameters. Specify length, size and capacity when ordering. Approx. wt. 5 lbs.