Descriptions : 144pcs 12 Color 6 Size Heat Shrink Tube Sleeve Kit A full range of 12 colors in the most popular small sizes. Suitable for electrical insulation， wire bundling， colour coding， mechanical protection， wire\/cable joints and repairs etc. Good electrical， mechanical and chemical performance. Ideal for Hobbyists and Model Makers， Electrical， Electronic， Automotive and General Purpose uses. 144 pieces total， each 70 mm long 6 sizes in 12 colors Feature : Supplied internal diameter : 1， 1.5， 2.5， 3， 5， 6 mm Fully shrunk internal diameter : 0.5， 0.75，1.25， 1.5， 2.5 3 mm Color : Red， Black， Orange， Clear， Green， Brown， White， Yellow， Grey， Blue， Violet， Yellow\/Green Totel Length : 10 metres Shrinkage Ratio : 2 : 1 (will shrink to 1\/2 its supplied diameter) Material : Polyolefin Minimum Shrinkage Temp : +70 C Full Shrinkage Temp : +110 C maximum Operating Temperature : -55 C to +125 C Tensile strength : 10.4 Mpa Dielectric strength : 20 kv\/mm Manufacture specification : ISO9001 Flammability : Flame Retardant(except Clear) Approvals : UL Approved Supplied format (round or flat) : Product is supplied round Cutting method : Scissors or sharp knife Package includes : 12 x Heat shrink (Red) 12 x Heat shrink (Black) 12 x Heat shrink (Brown) 12 x Heat shrink (Yellow) 12 x Heat shrink (Grey) 12 x Heat shrink (Green) 12 x Heat shrink (Blue) 12 x Heat shrink (Clear) 12 x Heat shrink (White) 12 x Heat shrink (Orange) 12 x Heat shrink (Violet) 12 x Heat shrink (Yellow\/Green) Details pictures :