Quick view Add to Cart E-flight UMX-P-51 Voodoo 4-Blade Propeller 4.5 x 4.0" EFLUP45404 $19.95 inc GST Replacement 4 Blade Propeller for UMX Voodoo Technical Specifications: Number of Blades 4 Pitch 4 Propeller Size 4.5X4 Compare