Big collection of heat shrink tubing,7 Specifications.Supplied internal diameter:2.0mm,2.5mm,3.5mm,5.0 mm,7.0 mm,10.0mm,13 mmFully shrunk internal diameter:1.0mm, 1.25mm,1.75mm, 2.5mm, 3.5mm, 5mm, 6.5mmColor:blackTotel Length: 6.4MShrinkage Ratio:2:1 (will shrink to 1/2 its supplied diameter)Material:PolyolefinMinimum Shrinkage Temp:+70Degrees CelsiusFull Shrinkage Temp:+110Degrees Celsius maximumOperating Temperature:-55 to +125Degrees CelsiusTensile strength:10.4 MpaDielectric strength:15 kV/mmManufacture specification:ISO9001:Flame RetardantSupplied format (round or flat):Product is supplied flatCutting :Scissors or sharp knifePackage Included:(Quantity x Diameter x Length x Color)30pcs x 2.0 x 40mm x Black25pcs x 2.5 x 40mm x Black20pcs x 3.5 x 40mm x Black20pcs x 5.0 x 40mm x Black16pcs x 7.0 x 80mm x Black8pcs x 10.0 x 80mm x Black8pcs x 13.0 x 85mm x BlackNote: 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.