Please read all of listing, most questions will be answered. Quick link to many more types and sizes of calipers from 4" to 24" Welcome to piggyhug's mudhole. Have you hugged a pig lately? Presenting an iGaging dial hole / bore measuring gauge. Measures 2" to 6" to a 10" depth. Can measure out of round and taper without removing the pistons. Critical wear can also be measured. specifications: range 2" - 6" resolution 0.0005" total error 0.001" self centering error 0.00025" repeatability 0.0005" includes anvils and gauge as pictured, 0.02", 0.05",0.1" washers, instructions, protective case to keep all organized.
eBay