Material: Polyolefin, Inner diameter: 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3.5 mm, 4 mm, 5 mm, 6 mm, 7 mm, 10 mm, 13 mm, Shrinkage factor: 2: 1 (max. shrink to 1/2 of its delivery diameter), Length: 45 mm, Minimum shrinking start temperature: + 70 ?, Minimum full shrink temperature: + 125 ?, Tensile strength: 10.4 MPa, Dielectric strength: 15 kV / mm, Cutting method: scissors or sharp, Flammability knife : hardly flammable, Five colors in total: yellow, blue, black, green, red, Box size: approx. 19.5x13x3.5 cm / 7.68x5.12x1.38 ''