Composition - 1018 steel

• available in metric and imperial units
• metric units: (2.5, 5, 7.5, 10 and 12.5 mm steps)
• imperial units: (100, 200, 300, 400 and 500 mil steps)
• metric accuracy ±0.02 mm
• imperial accuracy ±1 mil

All Certified Step Blocks are supplied with a certificate of calibration showing traceability to NIST/NPL.