200pcs 4mm Rubber End Caps Cover PVC Vinyl Screw Thread Protector Round Wire Shelf Caps Yellow

What is this? The flexible rubber end caps are widely used for screw thread protectors bolt caps metal pipe and plastic pipe tubing end cover chair legs furniture feet fences port round wire shelf machinery end protectors etc. Is there any advantages of the product? Soft lightweight small size durable and long service life; Rubber material good insulation; Easy to install and use. How to use it? Steps of installation: 1. Prepare rubber end covers with appropriate size; 2. Insert the end of screws bolts pipes etc. What should I notice? Please pay attention to the selection of rubber end caps with appropriate size especially the inner diameter