Rectangular Gauge Block Set, Long Form Calibration Certificate No, Material Steel, Application Grade Inspection, Dimension Type Inch, Grade AS-2, Included Size Range 0.05 in to 4 in, Included Sizes (19) 0.05 in to 0.95 in, (9) 0.1001 in to 0.1009 in, (49) 0.101 in to 0.149 in, (4) 1 in to 4 in, Increments 0.0001 in, 0.001 in, 0.05 in, Number of Pieces 81, Shape Rectangular, With Hole No, Case Type Wooden Case, Included Certification Certificate of Inspection, Includes Case Yes