The model TSR MKII Top Setting Wading Rods were developed to simplify the task of carrying out gauging in small streams. The TSR MKII shall only be used in shallow streams, where it is safe for the hydrographer to carry out gauging while wading. The TSR MKII is available in Metric and Imperial models and each model is available in lengths of 4 feet(1200mm) and 6 feet (1800mm). The Top Setting Wading Rods are manufactured from durable materials selected to meet the environmental conditions in the field.