Mitutoyo Ceramic Set Ring, 20mm, 177-429

--------------------------------------------------------------------------------- Sold and shipped by Japanese sellers * Operated by Japanese sellers - Japanese sellers with trust and experience. * Direct from Japan - All items are carefully packed and shipped promptly from Japan. * Highest quality control - Inspected by Japanese standards to ensure high quality products. ---------------------------------------------------------------------------------

Nominal size: φ20.0mm Dimensional tolerance: ±10 μm Uncertainty of engraved value: ±1.5 μm Roundness/cylindricity: 1 μm Distance from end face: 2 mm Guaranteed accuracy range: 6mm