Whitecap Clamp-On Flag Pole - 1/2" Diameter Stainless Steel Clamp & Pole Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button... Whitecap Clamp-On Flag Pole - 1/2" Diameter Stainless Steel Clamp & Pole Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button...