Whitecap Stainless Steel Bruce Anchor Roller MountThis Whitecap Anchor Roller Mount is manufactured for use with Bruce style anchors. Made of 304 stainless steel, these anchor mounts are manufactured for freshwater or saltwater use. Available in two sizes.Features: 304 Stainless steel construction; For use with Bruce style anchors; Specifications:Part NumberLengthLine SizeWidthInside WidthFastenerBoat SizeAR-648515"1"2"1-3/4"3/8" (3)9' - 30'AR-648623-1/4"1-1/2"4"3-1/2"3/8" (5)28' - 48'