Top is an optical scan of an actual LP, bottom is a rendering of the dimensions:

Do you have trouble keeping batteries in that caliper? Mine seems to eat them up alarmingly fast.
Only the good (supposedly) batteries for me... it's those cheap, knock-off Chinese calipers that get me every time! I'm thinkin' the Zips are making more money off me on the batteries than the tools.shattered,
stop buying the cheap chinese knock-off batteries you tight, cheap SOB!
Dj