• 100% brand new.CNC machined,made of marine grade 316 stainless steel.
• Corrosion resistance and durable in the saltwater environment.
• These weather-tight, O-ring sealed deck plates are ideal for interior and exterior applications.
• Bright polishing finished. Diameter of inner plate: 106 mm / approx4 inch.the detail infor refer to the pictures
• Easy installation.Pre-drilled countersunk holes (screws included).