Arm yourself with the ultimate weapon against saltwater. RiptideĀ® SF features fewer moving parts, tighter tolerances and our revolutionary Mono Arm for unwavering toughness. While features like an easy-to-use cam-lock depth adjuster make day-to-day operation easier, SF doesn't give up an ounce of power, silence or rugged reliability. It's everything you need to put saltwater in its place. Mono-Arm Design. Push-to-Test Battery Gauge. Tilt-Extend Tiller . Quick-Lock Cam Depth Adjuster. Weedless Wedge 2 Prop.