Supplied Internal Diameter: 1.0mm, 2.0mm, 3.0mm, 4.0mm,6.0mm, 8.0mm, 10.0mm, 14.0mm Material: Polyolefin Shrinkage Ratio: 2:1 (will maximum shrink to 1/2 its supplied diameter) Operating Temperature: -55C to +125C Minimum Shrinkage Temp: +70C Full Shrinkage Temp: +110C Maximum Tensile Strength: 10.4 Mpa Dielectric Strength:15 kV/mm Flammability: Flame Retardant 328PCS Heat Shrink Tube (Quantity x Supplied Internal Diameter x Single Length) 120pcs x 1.0 x 40mm (Yellow,Black,Red,Green) 60pcs x 2.0 x 40mm (Yellow,Black,Red,Blue) 32pcs x 3.0 x 40mm (Yellow,Black,Red,Green) 32pcs x 4.0 x 40mm (Yellow,Black,Red,Blue) 32pcs x 6.0 x 40mm (Yellow,Black,Red,Green) 20pcs x 8.0 x 80mm (Yellow,Black,Red,Blue) 16pcs x 10.0 x 80mm (Yellow,Black,Red,Green) 16pcs x 14.0 x 80mm (Yellow,Black,Red,Blue)