MECCANIXITY 50pcs Rubber End Caps Cover Assortment 3/8 inch(9.5mm) PVC Vinyl Screw Thread Protector for Screw Bolt Black Red

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, furniture feet end protectors, etc.What will I get?Vinyl end caps, is in size of : 9.5mm/0.37-inch inner diaIn the package of: 25pcs x Black rubber end caps, 25pcs x Red rubber end capsIs 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