Add Wish List Quick view Add to Cart The item has been added Mitutoyo Steel Setting Ring 20mm This steel setting ring is used to accurately and quickly set inside micrometers, dial gages and Holtest. If the setting ring is used properly, it can be used for calibration. Nominal size 20mm Dimensions ØD 45mm T 10mm Type... MSRP: $225.00 Add to Cart The item has been added Compare