Hq Prop 5X4RG Green - 5" x 4" Propellers - 2x Clockwise (Reverse) HQ Prop 5X4 Green Glass Fiber Composite Reverse Rotation (Clockwise) Includes 2 propellers plus 4 size shaft reducers (adapters) per prop Buy 2 or more HQ Prop 5X3 or 5X4 prop sets from ZwissTech and save 15% - mix and match colors, prop pitch and blades Diameter: 5" - Pitch: 4" - Blades: 2 - Shaft Size: 5mm Color: Green (good contrast but not the best for outdoors)