1/4" Diameter | 10 Feet | Color: Red | 3 to 1 Shrink Ratio - Shrinks to a third of its size | RoHS Compliant | UL Listed | Halogen-Free | 600V | Heat Shrink is measured round before shrinking, not flat | Heat gun required | Color between different sizes may not match | Lengths 50 ft or longer may have splices