Assorted box contents:ProductQuantity1.6mm503.2mm504.8mm506.4mm509.5mm5012.7mm50The Assorted Coloured 2:1 Heat Shrink Tubing box is used for electrical insulation, cable bundling and the provision of good physical protection to pipes and wires. These assorted boxes provide a range of useful colours and sizes to suit most heat shrink tubing applications. Please find our heat shrink gun to shrink the tubing here.For more information on heat shrink tubing please review our comprehensive guide to heat shrink tubing detailing how to pick the correct size and how to apply it.Material & Characteristics:Polyolefin - Standard wall heat shrink tubeFlame retardantVery good chemical and solvent resistanceExcellent electrical and physical propertiesAnti-staticFlexible and high dielectric strengthChemical Resistance:FuelHydraulic fluidLubricating oilShrinkable Temperature:80COperating Temperature:-55C to +125C