Feature: Good electrical, mechanical and chemical performance. Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints and repairs etc. Ideal for Hobbyists and Model Makers, Electrical, Electronic, Automotive and General Purpose uses. Select the size and length required from the menu above. Specifications: Quantity: 164pcs Color: Black,Orange,Yellow,Blue,Green Material: Polyolefin Shrinkage Ratio: 2:1 (will maximum shrink to 1/2 its supplied diameter) Operating Temperature: -55°C to +125°C Minimum Shrinkage Temp: +70°C Full Shrinkage Temp: +110°C Maximum Tensile Strength: 10.4 Mpa Dielectric Strength:15 kV/mm Flammability: Flame Retardant Approvals: UL Approved Each Size Includes: (Quantity x Supplied Internal Diameter x Single Length) 164pcs: 60pcs x 1.0mm x 40mm (Yellow,Black,Red,Green) 30pcs x 2.0mm x 40mm (Yellow,Black,Red,Green) 20pcs x 3.0mm x 40mm (Yellow,Black,Red,Green) 16pcs x 4.0mm x 40mm (Yellow,Black,Red,Green) 12pcs x 6.0mm x 40mm (Yellow,Black,Red,Green) 10pcs x 8.0mm x 80mm (Yellow,Black,Red,Green) 8pcs x 10.0mm x 80mm (Yellow,Black,Red,Green) 8pcs x 14.0mm x 80mm (Yellow,Black,Red,Green) Package included: 1 x 164pcs Heat Shrink Tubing Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.