Stainless Steel Round Dome Shape Hand Rail End Cap / Cover Component for our 1.5" OD Round Tube on Cable Railing Deck (1.5" Dome End Cap) 316 Marine Grade Quality - Excellent Corrosion Resistance! This domed cap seals exposed ends of a Stainless Steel Round Handrail with a distinctly rounded design. Conceals, protects, beautifies, and completes your cable rail system Brushed to a 180 grit finish for minimal sun reflection into your eyes, thus a more enjoyable view