PlatinumRC CNC Prop 42mm 3 Blade 3/16 Bore 4214This is a custom CNC 4214 3 Blade Prop made with 7075 Magnalium NOTE: This prop is an upgrade prop from the factory prop. Increases speed but also heat output. PLEASE MONITOR HEAT CLOSELY This has been machine cut to extremely precise tolerances and is ready to use right out of the box. This prop is approximately 30% stronger than 7075 Aluminum. This is a left hand rotation prop which means it spins counter clockwise. This prop will fit any boat with