Professional marine grade cast stainless steelStrong corrosion resistance and durable in saltwater circumstanceHigh polished surface for mirror-like appearance and to match modern watercraft/boat/yachtEasy to installYou can attach rope to it to fix or some objects, such as use it with rope to fix boat canopy covers or for other applicationsSpecification:Colour:SilverMaterial:Stainless steelSize:4.8 x 1.4 cmHole Diameter: Approx. 0.31 inch/0.5 cmTwo holes center spacing: Approx. 1.54 inch/3.9 cmPackage Contents:4 * Boat Deck FittingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.