Mitutoyo 167-106 150mm Measuring Standard For zero adjustment of outside micrometers. Flatness: within 0.3m. Parallelism: within 2m. GBP 25.99 1
Mitutoyo 177-300 Setting Ring 150mm Designed for quick zero adjustment of bore gauges, Holtests and inside micrometers. Cera Rings (Ceramic ring gauges) are also available. GBP 839.99 1
