With its lightweight design. This low weight decreases spool up times, which increases feel and responsiveness. Absolutely perfect for lightweight builds or builds with higher KV motors that can take advantage of the lightweight design.
The standout feature of this propeller is that it supports the new system by Lumenier. You can this propeller on any compatible motor and remove the need for prop nuts forever! This doesn't mean you can't use this prop with normal motors, they still work perfectly with normal motors and prop nuts.

Specifications:
Brand name: T-motor
Inner diameter: (Prop Mount) 5mm
Usage: 5.1"
Material: Polycarbonate
POPO Compatible: Yes

Package Includes:
2 x T5146 CW Propellers
2 x T5146 CCW Propellers