The unique olive knuckle hinge by high quality Argentian Import Gruppo Romi is entirely forged from brass. All pins are stainless steel for long durability and resistance to rust. Hinges are marked in the back from the forge with the width opening length and hand - Useful details. All hinges are supplied with Phillips screws and match the Hinge Finish. Hinges are handed (Left/Right); be sure to specify hand of hinge when place an order.