KOOWIN 300 PCS 3:1 Ratio Heat Shrink Tubing Kit, 5 Sizes (Diameter): 1/8, 1/4, 3/16, 3/8, 1/2 Inch, Electric Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit with Box (Black & Red)

Shrinkage Ratio: 3:1(will shrink to 1/3 its supplied diameter)

Operating Temperature: -40°C to 125°C

Shrink Temperature: 70℃-125℃Withstand Voltage: 600VQuantity: 300 PCSPackage Include:Φ1/8″ × 1-1/2″ × Black & Red each 40 pcsΦ3/16″ ×1-1/2″ × 40 pcs BlackΦ1/4″ × 1-1/2″ × 40 pcs BlackΦ3/8″ × 1-1/2″ × 30 pcs BlackΦ3/16″ × 3-1/2″ × Black & Red each 15 pcsΦ1/4″ × 3-1/2″ × Black & Red each 15 pcsΦ3/8″ × 3-1/2″ × Black & Red each 15 pcsΦ1/2″ × 3-1/2″ × Black & Red each 10 pcsStorage Box ×1pcsThere are many sizes of high-quality heat shrinkable tubes for you to choose, they can be used for solder joint protection, wire group marking, resistance and capacitance cause protection, etc.This heat shrinkable tube has good electrical insulation, corrosion resistance and high temperature resistance. Soft and soft wire shrink sleeve, low shrink temperature-minimum shrink temperature: 158℉ ( 70°C), fast shrinkage, easy to use heat gun.