Four (4) Prong Grapnel Anchor Size - 12KG Shank DIA - 36 MM Overall Height - 730 MM Width (Prong To Prong) - 610 MM Finish - Hot Dipped Galvanised This Particular Anchor Is Best When Used On Rocks And Reefs. This Anchor Is Galvanised To Help Against Rust Protection. This Anchor Can Also Be Used For Retrieval Of Gear / Equipment When Lost Overboard.