It is made of high quality rubber and brass. Rugged and structure.
Easy-to-use cam type for tight and long-lasting sealing.
Installed from inside the beam, the torsion is fully adjustable and no leakage or loose under vibration.
Suitable for 1-1 / 4in holes, usually used for bilge bottom beam seawall bait Livewell hull.
Every production goods has been tested and certified, and the quality is trustworthy.