• Minimum Diameter (Decimal Inch): 0.751
• Maximum Diameter (Decimal Inch): 0.832
• Tolerance Type: Minus
• Number of Pieces: 82
• Hardness: heat treated to a hardness of 60-62 Rockwell C Drill Rod
• All members 2" long, centerless lapped
• Size Electro etched in each piece
• Finish: Each gauge inspected and has 10 micron finish or better
• Deluxe box with insert
• Tolerance: Minus -0.0002"/+0.0000