The BETAFPV Gemfan 16pcs 45mm 3-Blade Whoop Drone Propellers with 1.5mm shaft hole are high-quality replacement propellers designed for BETAFPV drones. With a modern style and a smooth texture, these propellers are suitable for casual occasions and come in a pack of 16. Made with durable materials and featuring a standard shape with a crew neck design, these propellers are compatible with various BETAFPV models and are ideal for adult users looking for reliable performance for their drone. Made in the United States, these propellers are a great addition to any drone enthusiast's collection.