Rectangular Gauge Block Set Long Form Calibration Certificate No Material Steel Application Grade Inspection Dimension Type Inch Grade AS-1 Included Size Range 0.05 in to 4 in Included Sizes (1) 0.05 in (9) 0.1001 in to 0.1009 in (9) 0.101 in to 0.109 in (9) 0.11 in to 0.19 in (5) 0.1 in to 0.5 in (1) 1 in (1) 2 in (1) 4 in Increments 0.0001 in 0.001 in 0.01 in 0.1 in Number of Pieces 36 Shape Rectangular With Hole No Case Type Wooden Case