Sierra - Mercury/Mariner Impeller Repair Kit - 3017 Distress Flags & Signal Flags for Boats These patented safety chain keepers

These patented safety chain keepers attach easily to the "S" hooks to keep your chains secured to the vehicle

Equipped with a non-clogging electronic float switch

and maintain speed better as you load the boat down with gear or people

Striker Bases

Simple to install and fits almost every 2 and 4 stroke outboard engine in the market

Sierra - Mercury/Mariner Impeller Repair Kit - 3017 Distress Flags & Signal Flags for Boats These patented safety chain keepersSee Sierra Catalog for Complete Application Information WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.