BetaFPV Meteor65 Eliche Gemfan 31mm 3-blade (1.0mm Shaft)
These 31mm props are just customed for 65mm brushless drones that has 1.0mm motor shaft. The recommended motor is 0603 motor, and 080X motor like 0802 motor. Here is the 31mm 4-blade props (1.0mm Shaft) for your choice.