HQ Prop 5X4X3R Black - 5" x 4" 3-Blade Propellers - 2x Clockwise (Reverse) HQ Prop 5X4X3R 3-Blade Black Carbon 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: 3 - Shaft Size: 5mm Color: Black (the coolest to look at but the hardest to see)