materials: The spring clip is made of galvanized steel. The clamp with a clip is more durable than spring washers, has good clamping force, and is easy to remove. High-precision spring clip: The spring clip is a precision design of the inner ring 360 degrees, which effectively prevents damage to the pipeline. The circular design can balance the torque and can withstand pressure and twist better, while maintaining its beautiful appearance. 10 sizes of spring clips: The inner diameters of the spring clips are 6mm, 8mm, 10mm, 12mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm. Each size includes 10 pieces, which can be freely matched to your different tube sizes. Application occasions: 100 spring clips are placed in a storage box, which is easy to store and carry. It can be used for oil pipelines, water pipes, air pipes, silicone pipes, air pipes, drain pipes or washing machine outlet pipes. What you get : 100 pieces hose spring clamp . If you have any questions about the products, you can always and we will provide you with the best customer service. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.