1/4" Diameter | 100 Feet | Color: White 2:1 Shrink Ratio - Shrinks down to half its size RoHS Compliant | UL Listed | Halogen-Free | Up to 600V High temperature resitant | Great electrical insulation, tightness and corrosion resistance | Used in wiring, automotive and many other electronic and electrical applications Sizes vary ± 5% | Color between different sizes may not match | Lengths 50 ft or longer may have splices Polyolefin Heat shrink tubing can be used in a variety of applications in the military, commercial, and consumer markets. All heat shrink tubing will shrink lengthwise as well as its diameter; 2:1 shrink tubing will shrink one half of its nominal diameter and less than 7% of its length. The diameter of heat shrink tubing is measured as a round tube, not flat, so make sure that the shrink tubing is larger than what you are covering.