Ultra anchor on a bow of a Sadler 29

The 12kg model, with Ultra Flip Swivel, was tested on a Sadler

At first glance the 12kg anchor with the Ultra Flip Swivel is similar to a Spade anchor, but with curves on three planes.

The upper surface curves strongly downwards towards the tip, so that it catches and digs in even on hard, flat surfaces.

The fluke is concave side to side to prevent ploughing, and the undersides of the fluke arc downwards with side plates at the back to force the tip down.

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