Feature: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.It is perfect for covering screws or other threaded4.Simply slide over the threaded end of the screw or bolt.5.Against shocks and the added value to the appearance of the product.6.Functions as a Thread Insulator, Decorator, Seal or to Color Code.Specification:Material: Rubber Color: BlackApplication: hardware accessoriesSize: 23x12mm/0.91x0.47" (LxDia)Weight: 150gPacakge Include:100 x Hose End Cap Thread Cover