Features:brand new and high qualityFit for air hose tube, water pipe, fuel pipe, silicone vacuum hose, etc.Easy to use, pressure-proof, durable and long lasting.Used when the hose is subject to rapid changes in temperature which cause expansion and contraction of the material used in the assembly.The Spring clip maintains pressure during this process, thereby preventing leaks.12 different sizes:5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm. Specifications:Material:MetalSize:5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mmNet Weight:10-40g Note:Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:10x Spring Clips