For checking out-of-roundness in centerless grinding and other machining operations; also for measuring odd-fluted taps, milling cutters, reamers. Direct reading. Carbide facings on spindle and anvils. Anvils match the index of cutter teeth. Hardened, ground-from-the-solid spindle threads for an accurate reading. No glare satin chrome finish. Quick-reading – every thousandth numbered.
