The Kaufmann Stainless Steel ball bearing hinge 100mm is suitable for multiple door applications. Includes 16 screws. Stainless Steel material makes this hinge coastal friendly. Bearing 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 a Pair. Supplied as Pre-Pack Blister Packaging. This product carries a 1 year warranty. Also available in Brass finish.