DJI Spark Quick-Release Folding Propellers
Powerful propulsion with a foldable, easy to mount design that is both durable and reliable.
Foldable and light.
Push type design allows for quick mounting and detaching.
4730F Propeller Pair.
Diameter x Thread Pitch: 4.7 x 3.0 inch (11.94 x 7.62 cm)
Weight (single one) is 2.5g.