Package 1 Included: 90pcs x 1.5 x 45mm Yellow 90pcs x 2.0 x 45mm Blue 90pcs 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 20pcs x 10.0 x 45mm Blue 20pcs x 10.0 x 45mm Black Package 2 Included: 180pcs x 1.5 x 45mm Yellow 180pcs x 2.0 x 45mm Blue 180pcs x 2.0 x 45mm Black 120pcs x 3.0 x 45mm Green 100pcs x 4.0 x 45mm Red 100pcs x 4.0 x 45mm Black 60pcs x 5.0 x 45mm Black 40pcs x 6.0 x 45mm Yellow 40pcs x 8.0 x 45mm Red 40pcs x 10.0 x 45mm Green 40pcs x 10.0 x 45mm Blue 40pcs x 10.0 x 45mm Black Specifications: Material: Polyolefin Internal diameter: 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Shrinkage Ratio: 2:1 (Max. shrink to 1 / 2 of its supplied diameter ) Length: 45mm Minimum starting Shrinkage Temp: +70℃ Minimum full Shrinkage Temp: +125℃ Tensile strength: 10.4 Mpa Dielectric strength: 15kV / mm Cutting method: Scissors or sharp knife Flammability: Flame retardant Five Color in total: Yellow, Blue, Black, Green, Red Features: -A set assortment of 560 pcs of Polyolefin heat shrink tubing. -2:1 shrink ratio and a 600V pressure-bearing rating. -Handy item for the Technician or Hobbyist work bench, car or van.