I've got a set of micrometers onboard, a dial caliper, and a digital caliper. Also brought along a pretty nice digital multimeter that has a secondary tachometer accessory, just clip it over a spark plug wire to get a reading!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!