Heat shrink tube: 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 mm Fully shrunk internal diameter:1.0mm, 1.25mm,1.75mm, 2.5mm, 3.5mm, 5mm, 6.5mm Color:black Totel Length: 6.4M Shrinkage Ratio:2:1 (will shrink to 1/2 its supplied diameter) Material:Polyolefin Minimum Shrinkage Temp:+70Degrees Celsius Full Shrinkage Temp:+110Degrees Celsius maximum Operating Temperature:-55 to +125Degrees Celsius Tensile strength:10.4 Mpa Dielectric strength:15 kV/mm Manufacture specification:ISO9001 :Flame Retardant Supplied format (round or flat):Product is supplied flat Cutting method:Scissors or knife Shovel glue tool: Usable: works well with most types of sealant, silicone, resin, grout, good for kitchen bathroom sink, DIY works or floor silicone sealant sealing Sealing edge size: 0/ 4/ 5/ 6/ 8/ 10/ 12/ 14/ 16/ 17/ 28/ SRD/ GROUT/90 degree (showed on the picture) colour:Black + yellow + red Material:Silicone + plastic Package Contents: 30 x 2.0 x 40mm Heat shrink tube 25 x 2.5 x 40mm Heat shrink tube 20 x 3.5 x 40mm Heat shrink tube 20 x 5.0 x 40mm Heat shrink tube 16 x 7.0 x 80mm Heat shrink tube 8 x 10.0 x 80mm Heat shrink tube 8 x 13.0 x 85mm Heat shrink tube 9 x Shovel glue tool Only 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. Suitable for most of silicone or grout sealing job, to any edge, corner and join 9 pcs of smooth 29 different scraping angle,fast effective and easy to use Made of plastic/ silicone, and not easy broken 127 Pcs Heat Shrink Sleeving Tube & 9 Pcs Sealant Finishing Tools Easy to sealing, no need for masking tape, save your time, money and sealant