For inside micrometer and bore gage setting
Deviation (difference between the order size and the size marked on supplied setting ring)
Ø2-100: ±3.0µm, Ø100-300: ±5.0µm
Accuracy: Ø2-100: ±1.0µm, Ø100-250:± 2.0µm, Ø250-300: ±2.5µm
Range: Ø2-300mm