Screw lid covers mounting screws for an improved appearance.
Has an o-ring for a water tight seal.
Polypropylene material allows cleanup with acetone.
Lid diameter 158mm (6.1/4").
Opening dia. 102mm (4").
Cut a 114mm (4.1/2") dia. mounting hole.
6 countersunk mounting holes (4mm dia.) centres on 130mm (5.1/8") dia.
Suitable where regular inspection or access is required for water tanks, kayaks, boat motor wells, wireways, or anywhere you can think of, marine or otherwise.