Description Professional marine grade cast 316 stainless steel. Strong corrosion resistance and durable in saltwater circumstance. High polished surface for mirror-like appearance and to match modern watercraft/boat/yacht. Easy to install. You can attach rope to it to fix or hang some objects, such as use it with rope to fix boat canopy covers or for other applications. Specification: Material: 316 stainless steel Color: Silver Size (L x W): Approx. 1.89 x 0.55 inch/4.8 x 1.4 cm Hole Diameter: Approx. 0.31 inch/0.5 cm Two holes center spacing: Approx. 1.54 inch/3.9 cm Package Includes: 1 Piece Boat Deck Fitting Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!