Roof grommet, single hole cable entry plate on caravan and RVs
Design for overcome the resistance of the air, glued with the special adhesive easily, special design for bottom of roof grommet to get more strong stick, everlasting waterproof.
Black and white optional
For 4-12mm thick cable
High-quality special plastic material
Roof grommet with 3-7mm cable gland, 6-12mm ring