VistaView CableTec Stainless Steel Angled Washers for Stairs for End Fittings for Cable Railing (1/4" hole opening) - Lot of 100 Overall Diameter = 5/8", Hole Diameter = 1/4" T316 marine grade stainless steel for maximum durability, strength and weather protection. Helps line up hex nuts squarely for proper tensioning. 30-degree angle, which is good for most stairs.