I bought a F&R set for my KT250 from them and was caught out with a long time for them to arrive. There were two postage options advertised. I chose the more expensive/quicker option and the time to arrive was well outside what was advertised as normal and more in line with the cheap postage option. We communicated back and forth quite a bit and I ended up with the opinion that he was good to deal with, but he was being let down on occasions by his countries postal service.
The spokes are OK, but not OEM quality ie the threads are cut not rolled and the threads are not all straight on the spokes, nor are they all threaded for the same distance from the ends. The nipples look fine. The right number of each type turned up and after lubricating the threads, I could get nipples to screw onto all of them.
I am yet to assemble the KT wheels with those spokes so I can't vouch for them being exactly the right lengths.
In my opinion I would buy their spokes again if I couldn't get OEM (which is the case with KT250 spokes). For TY twinshock wheels I will continue to buy OEM spokes at $80-$90 per wheel.