Lumenier QAV250 G10 Prop Guards Prop guards help prevent crashes and damaged props resulting from light prop strikes Designed by Lumenier for a perfect fit on the Lumenier QAV250 Quadcopter Fits on both the G10 frame and the CF (Carbon Fiber) frame QAV250 G10 Prop guards weigh only 15 grams each - total of 60 grams Required but not included - extra-long motor mount screws. 16 7-8mm M3 or M2 screws required, depending on motor type