Free Rotation: Connected with stainless steel screws, the sampling cup can be rotated vertically nearly 360°. The connection is stable and there will be no loosening or jamming during rotation. It can flexibly adjust the angle during sampling, and the opening is always kept upward when you move the rod to avoid liquid leakage Retractable Water Sample Dipper: The length of the telescopic pole can be adjusted as needed, up to 6 meters/19.6 feet, allowing you to easily access hard-to-reach areas without bending over or getting close to the water. And after retracting, it is small in size, easy to carry and store, and can be easily placed in small spaces such as car trunks 500 ml & 1000 ml Sampling Cup Transparent plastic sampling cup with milliliter scale on the outside of the cup wall, which can clearly know the capacity of the liquid in the cup; the outer end is equipped with an eagle beak and a handle for easy pouring of liquid 304 Stainless Steel Rod: The telescopic sampler rod is made of stainless steel, which is not easy to rust, deform or damage; it is not easy to rust, deform or damage; under normal use, the service life can reach 3-5 years Wide Range Of Uses: The water sampling dipper can be used for sampling at overhead gantry, river banks, water outlets, etc. It can also be used to collect water, sewage, waste and wastewater samples from lakes, streams, tanks or ponds