ITEM NAME:328Pcs Assorted 2:1 Heat Shrink Tubing Tube Cable Sleeving Wrap Wire Kit 8-Size W E L C O M E to MYÂ ST O RE HOT SALE!! Support.Quantity: 328pcs. Tensile strength: 10.4 Mpa. Dielectric strength: 15 kV / mm. Supplied format ( round or flat ): Product is supplied flat. Due to the difference between different monitors, the picture may not reflect the actual color of the item.