Ordering "Full Kit" doesn't mean that one gets all the nozzles, but ONE nozzle and that is unclear. Secondly, the air leakage in the motor is not negligent. I can't measure it, but estimate it to be a magnitude or more air than through the (thinnest?) nozzle. This is probably expected, to make nozzle changes reasonably practical. Nozzle head looks really nice, and picks 0402 without problem. Goods were well packaged.
Description does not mention which type of nozzle is supplied with the motor. Seller was not able to supply any other than the 502 type nozzle. Having ordered two of these motors I now have two 502 nozzles that I probably won't use anyway.