I couldn't justify the cost of the Njoy so gambled on this option instead. It's slightly smaller than the Njoy (according to measurements provided) but damn if it doesn't get the job done! Husband had a very exciting time with it, and I also had an equally exciting time. This thing is slick, smooth, and slippery. It's heavy, as you'd expect, so there can be some hand fatigue but who fkn cares.
My only warning is that it will be very slippery with lube, so have a cloth nearby to dry the part you're holding (and your hand) as needed, otherwise your hand WILL hurt trying to hang onto it.
10/10 would cum again