new and high quality. Easy to use, pressure-proof, and long lasting Designed to distribute pressure uniformly around the application zone 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. name:hose clamp Packaging Details: 20 pieces * Diameter 6.5 Tube clamp 20 pieces * Diameter 8 Tube Clamp 20 pieces * Diameter 10 Tube Clamp 20 pieces * Diameter 11 Tube clamp 20 pieces * Diameter 12 Tube Clamp 20 pieces * Diameter 14 Tube Clamp 20 pieces * Diameter 16 Tube clamp 20 pieces * Diameter 18 Tube Clamp Colour:Silver Material:Metal Package Contents: 1 set * hose clamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.