I flew for the first time today with my new carbon fiber props. They are 9.5" and fast as lightning. Caution when decending at a fast rate you need to release the stick earlier when approaching the ground or give a little up. It takes about 30 feet to stabalize on full down. Yes I had the same problem with my nuts, ordered from Amazon and I looked over the fine print about the nuts. So finally found my nuts in China and got them yesterday.
They are pretty much the most expensive online retailer out there. And I speak for myself here...but the service leaves a lot to be desired. Sent my Phantom I bought from them back for repair. They said one of the motors had bad bearings. I'd only had this for 4 months yet they would not warranty it. Said it was my fault because of the 'hard landings' - meh...dubious for sure. Anyhow, I was told I had to purchase 4 complete T-motor replacements for $289 because the "don't sell just one motor". Finally got the Phantom back and then whaddya know...right on their website they are now selling single T-motors. SMH.