DJI 1345s Quick Release Propellers feature a new locking mechanism that prevents your propellers from becoming loose during flight. These propellers are compatible with all Inspire 1 units and are perfectly suited to the motor deceleration functions native to your Inspire 1.
Needs to be mounted on Ф22 Quick Release Rotor Adapter.
http://trip.kkairsoft.com/products/Inspire-1-1345s-Props-Installation-Kit.html