• Type: Gauge Block Set
• Accuracy Grade: AS-1 / 3
• Minimum Size (Decimal Inch): 0.05
• Maximum Size (Inch): 4
• Number of Pieces: 81
• Shape: Rectangular
• Material: Steel
Each Gauge Block features mirror polished surfaces to provide superior wringing characteristics and individual serial numbers regardless of grade.
• Furnished with a complete certificate of calibration traceable to the N.I.S.T or P.T.B showing the deviation of each block