170pcs Large Size 4" Heat Shrink Tubing Assortment Kit - 2:1 Ratio Electrical Wire Cable Wrap Sleeves for Insulation - Durable Plastic Storage Box - Perfect for Automotive, Electronics & DIY Electrical Projects

Material: Polyolefin Color: Black Shrinkage: 2:1 (will shrink to 1/2 of its supply diameter) Minimum shrinkage temperature: + 70 ° C Full shrinkage temperature: + 100 ° C (maximum) Operating temperature: -55 ° C to + 125 ° C Tensile strength: 10.4 Mpa Dielectric strength: 15 KV / mm Manufacturing specification: ISO9001 Flammability: flame retardant Available format (round or flat): the product is flat Cutting method: sharp knife Package list Total 170xheat shrink tubing (quantity x supplied internal diameter x single length ) - 1x 170Pcs(6 Sizes) 2:1 Adhesive Lined Heat Shrink Tubing * 60pcs 4" lengths φ3/64" * 40pcs 4" lengths φ3/32" * 30pcs 4" lengths φ1/8" * 20pcs 4" lengths φ3/16" * 10pcs 4" lengths φ1/4" * 10pcs 4" lengths φ3/8" - 1x Plastic Box How to use: 1.Select the proper size. 2. Insert the wires to the heat shrink tubing. 3. Use the heat gun or lighter to shrink the tube. Note: 1. Due to manual measurement, please allow a deviation of 1-2 mm. 2. Due to photography and your own computer, the color of the product may vary slightly.