Mercury - Manual-owners - 90-10100V20 Boat Cover Supports & Tie Downs Blade Count: 4-Blade

Blade Count: 4-Blade

The check ball provides better sealing against reverse water flow that occurs when backing boat

Dual-Speed User Control Options: Allows you to toggle between standard high-speed deployment for fast stops and a specialized silent mode for stealthy entries into shallow flats

Lowrance: All models compatible except Hook series

Mercury - Manual-owners - 90-10100V20 Boat Cover Supports & Tie Downs Blade Count: 4-BladeManual owners 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.