[Good protection] Our elastic end caps can prevent wear on the kitchen or wooden floor, suitable for metal chair tips, furniture, chair legs, table legs or tips, screw threads, nail heads, or cover any round tube[Flexible material] The threaded protective cover is made of high quality material for flexible heat insulation[Size selection] Since the material is soft and elastic, we recommend choosing a rubber end cap slightly smaller than the outer diameter of the product for protection. for example: the outer diameter of your product is 9.8 mm, choose a 9.5 mm rubber sleeve [Wide application] Very suitable for covering screws or other threaded parts, round pipes, furniture feet, etc.colour:BlackMaterial:PVCsize:Inner diameter: 4mm, Inner height: 15mmPackage Contents:100 x Rubber End CapsOnly the above package content, other products are not included.Note: Light 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.