Package: 1 x Double Cable Entry Gland, Dimensions: 11 x 9.5 x 4 cm, for cables from 3 to 12 mm in diameter. High Quality: Made of industrial-grade ABS plastic, these RV roof cable glands are UV-resistant, anti-aging, moisture-proof, corrosion-resistant, robust, and durable for normal use in extreme weather conditions. Strong Waterproof Performance: Excellent waterproof performance with a silicone waterproof sealing ring to prevent internal splashes and dust accumulation, ensuring long-term use. Easy to Install: Simply pass the solar panel cable through the cable entry gland and tighten the cap. Features grooves on the bottom for easy installation with adhesive on the panel/roof. Drill-free mounting protects your roof or RV, ensuring a secure and attractive finish that's easy to remove. Wide Application: Ideal for installing solar panels on RVs, caravans, vehicles, boats, yachts, garages, cabins, houses, gardens, etc. Can also be used for flat roof solar panel installations.