Greenfield Products Coated River Anchor - RedThe Tri-Fluke design of the River Anchor allows the flukes to penetrate the river bottom in soft and moderate conditions, or to engage rocks and structure in rivers and current. The River Anchor is a great all purpose anchor for lighter craft, or a great second anchor. Larger models are preferred choice for pontoon boats and other difficult to hold boats.WeightBoat SizeRecommended Chain SizeScope16Up to 18'1/4" x 4'5:120Up to 24'1/4" x 4'5:130Up to 26'1/4" x 4'5:1