The Kaufmann Stainless Steel Discus Padlock 70mm is suitable for multiple door applications. Stainless Steel material makes this hinge coastal friendly. Design allows for smooth operation after installation. Reduction in noise/friction in terms of opening and closing action after installation. 201 Grade Stainless Steel. Supplied as Each. Supplied as Pre-Pack Blister Packaging. This product carries a 1 year warranty. Also available in single & 4 pack.