Inspection Port [S] Deck Plate Boat

[Product specifications]
Outer diameter: 146mm
Opening diameter: 101mm
Hole diameter: 114mm

Working by putting your hands inside the double structure,
This is an opening hole for working in areas that are hard to reach.
Apply silicone adhesive, etc., and then install and fix it.

【please note】
*Cannot be installed on the floor where you will step on it.