Gemfan 45mm-3 Propellers: Compact Performance for Micro Drones The Gemfan 45mm-3 Blade (1.5mm) propellers are the optimal choice for micro drones and whoop structures. Their 45mm three-blade design provides the perfect balance between impressive thrust and smooth control, resulting in stable flight and precision in tight spaces. A 1.5mm diameter shaft hole guarantees wide compatibility with popular micro drone motors. Made of durable material, these propellers are impact-resistant and retain their properties even after demanding maneuvers. They are perfect for FPV pilots, both racing and freestyle, who expect responsiveness and agility from their equipment. Increase the capabilities of your drone with Gemfan 45mm-3 propellers, ensuring efficient and stable flight. The set includes 8 pieces: 4 right-rotating and 4 left-rotating propellers.