Romon 400 Pieces Black Heat Shrink Tubing for Electrical Cables, Tubing, Tube Kit, Ratio 3: 1, 7 Size

【7 Sizes】Transparent box with 400 pieces of heat shrink tubing. Including 7 common diameters of heat shrink tubing: 3.2mm, 4.8mm, 6.4mm, 9.5mm, 12.7mm, 19.1mm, 25.4mm.The length of the heat shrink tube is fixed at 45mm. 【High Quality Material】Black heat shrink sleeve has good flame retardant and insulating properties, corrosion resistance and high temperature resistance. The material of the shrink tube set contains no toxic and harmful materials such as PBBE, PBBO, PBB, etc., and does not produce harmful gases. 【3:1 Shrinkage Rate】Shrink tubes can be narrowed to 1/3 of the diameter, and the length will not shrink after shrinkage. Our heat shrink tubing shrinks quickly, shrinks at low temperature and seals very well. 【Easy Installation】 Easy to use, professional connection can be done in seconds. Slide the heat shrink tube kit to the desired connection point, then heat it with a lighter or heat gun, and the heat shrink tube will seal the joint tightly. 【Scope of Application】Heat Shrink for electrical cables is versatile and can be used for repairing cables and wires, as well as for wiring ships and vehicles. Effective for insulating or protecting cables in industry or at home.