Description: Made of Marine Grade 316 Stainless Steel, very tough and resistant to corrosion. Universal fit, suitable for both internal and exterior use such as boat, yacht. High mirror polished face for sleek appearance and to match today's modern watercraft. Easy to install, durable and . Great accessories for kayak, canoe, marine boat, dinghy, lifeboat, water raft boat, yacht and so on Specification: Material: 316 Stainless Steel Open Mouth: 48mm/1.9 inch Color: Black Pole Outside Diameter: 12.8mm/0.5 inch Package Includes: 1 Piece Boat Rowlock Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.