> radio-controlled planes, model trains and R/C cars). It's much > easier to find the metric ones here (England) than the imperial > sizes. The good (and thus expensice) toolshops I freqeunt seem to stock both ranges. Darn it, they ecen stock thost crazy US sizes, like 11/32" combination spanners (needed to take the PSU out of an HP9810/9820, BTW) -tony