The spring water stop clamp is made of durable iron material, safe and practical, with a reasonable structure design, which can help you effectively control the water the pipeline. It has a simple application method, which can be operated by squeezing the handles on both sides. This is a very simple and practical laboratory spring water stop clamp, which will be your good tool choice. Features -Color: Silver. -Material: Iron. -Size: About 5.00X4.50X0.50cm/1.97X1.77X0.20inch. -The design is reasonable, the structure is simple, the operation is easy, force is strong, and the leakage can be effectively avoided. -Professional and efficient, can help you easily control the water flow and facilitate your experiments. -It has a wide range of uses, especially for laboratory equipment, schools, students, etc. experimental teaching work services. -It is made with craftsmanship, has excellent texture, is strong and not easy to deform, and has a . -The hose clamp is simple and practical, easy to open and close, and can be easily clamped, which will bring you of convenience. Package list: 20 stop clips