Seal and protect 1/2-inch diameter wire runs throughout your RV with this 25-foot spool of black heat shrink tubing. The polyethylene construction shrinks tightly to create a waterproof barrier around connections and joints. With flexibility to accommodate various installation angles, this tubing resists moisture, salt spray and road dust.

• 25-foot length per spool
• Fits 1/2-inch diameter wire
• Polyethylene construction
• Waterproof seal for connections