- TAPERED FRAME FOR MEASURING NARROW SLOTS AND TIGHT SPACES
- VERNIER SCALE IN INCH UNITS FOR TAKING PRECISE OUTSIDE DIAMETER (OD) MEASUREMENTS
- RATCHET THIMBLE MECHANISM HELPS PROVIDE UNIFORM PRESSURE FOR PRECISE, REPEATABLE MEASUREMENT
- SATIN CHROME FINISH ON THIMBLE AND SLEEVE HELPS RESIST RUST AND REDUCE GLARE
- CARBIDE FACING ON SPINDLE AND ANVIL PROVIDES WEAR RESISTANCE
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