i tried to use one once or twice, ended up just going out on the lawn and blasting it there as the gloves shit me to tears. lol, but one of my mates uses them allot for small car parts they work good and it is after all clean and how i should sand blast, lol
 i have striped an entire car with a 20buck blaster so that should have no trouble with small parts, most of it comes down to the quality of the blasting medium on results.