TFL Genuine Parts! TFL Professional 2 Blade CW & CCW 3.18mm/4mm/4.76mm aperture 1.9 pitch Copper Propeller for RC boat TFL Genuine Parts! TFL Professional 2 Blade CW & CCW 3.18mm/4mm/4.76mm aperture 1.9 pitch Copper Propeller for RC boat. Sale price : $7.92 Category : Toys & Hobbies