Heat shrink tubing various sizes kit 530 pieces Features Shrink Ratio: 2: 1 (maximum shrinks to 1/2 of its feed diameter) Minimum shrinkage temperature: ≥84 ° C Total shrinkage temperature: ≥120 ° C Operating temperature: from -55 ° C to + 125 ° C Tensile strength: 10.4 Mpa Dielectric strength: 15 KV / mm Production specification: ISO9001 Flammability: flame retardant Certification: UL Listed format Package contents (Quantity-Diameter-Length-Color) 80pcs x 1.5 x 45mm yellow 80pcs x 2.0 x 45mm blue 80pcs x 2.0 x 45mm black 60pcs x 3.0 x 45mm green 50pcs x 4.0 x 45mm red 50pcs x 4.0 x 45mm black 30pcs x 5.0 x 45mm black 20pcs x 6.0 x 45mm Yellow 20pcs x 8.0 x 45mm red 20pcs x 10.0 x 45mm green