800w ROV Thruster, 5 Blade Propeller

Third Party Products Hardware
1

Has anyone tried these 5 blade prop thrusters? I see them on AliExpress.
I was going to make my own using 5 blade props, but why reinvent the wheel? Not very expensive, but 6, the price adds up.

New High Speed DIY 800w Rov Submarine Robot Manned Thruster Underwater Propeller Fishing Boat Kayak Refitting Propeller|DC Motor| - AliExpress