Uxcell Plastic Water Tank Mounting Bracket Holder C-Shape Support Clamp Clear Dia 50mm Pack of 2

What is this? The C-Shape support clamp is widely used for computer CPU cooling water tank. Are there any advantages of the product? The material is plastic which is elasticity so that it is tightly integrated with the box. How to use it? Easy to install and use. The up and down tightening tool structure detachable free water cooling system What should I notice? All size above is measured by manual please allow +/-0.1 inch error.