Key Features

• No. of Blocks 81pc
• Grade AS-0 (2)
• Blocks Included in All Sets 9 Blocks: .1001" thru .1009" step of .0001",
• 49 Blocks: .101" thru .149" step of .001", 19 Blocks: .050" thru .950" step of .050",
• 4 Blocks: 1.000" thru 4.000" step of 1.000"

Product Description

Offering N.I.S.T. Traceable Calibration | Meets or exceeds Federal GGG-G-15C. | Made of the highest quality tool steel. | Surface hardness: HRC 64 | Complete with manufacturer's calibration or certificate. | With fitted wooden case with sizes labeled. | A