Whitecap Stainless Steel Adjustable Windshield Stanchions The Whitecap Stainless Steel Adjustable Windshield Stanchions feature adjustable swivel mounting brackets on both ends. The stanchions are made of 316 stainless steel to hold up in marine environments. The brackets are able to be swiveled or rotated to match almost any installation angles. Product Specifications S-0030 Length 11-14 Fastener 316 S-0031 Length 12-14 Fastener 316 S-0032 Length 13-14 Fastener 316 S-0033 Length 14-14 Fastener