✔Material:316 Marine Grade Stainless Steel,which is durable, sturdy, rust-proof and durable. Fine workmanship, fine gloss,The mirror surface has excellent gloss after polishing, is not easy to rust, and can be used for a long time.
✔Inner Dia.=4''; Cut-out size: 4.3''/110mm; Diameter of inner plate: 4"/102mm; Diameter of outer ring: 5.5"/139mm.
✔Lost Wax process and surface polishing,clean finish, low maintenance costs.
✔Low profiles design ensures the safety of the deck without loss of durability.Installation is simple, no complicated operations are required.
✔O-ring sealed deck plates are ideal for interior and exterior applications.