Precise Micrometer Checking Gage Block Set, 10 Pieces, Grade AS-0 – 4101-0031

• 10 Piece Micrometer Checking Gage Block Set
• Grade AS-0.
• Grade AS-0= Grade 2(At) : +4/-2 millionth.
• For checking various spindle positions of entire micrometer range.
• Meet or exceeds U.S. Federal specification GGG-G-15C and ISO 9000 requirements.
• Gauge blocks included are .0625, .100, .125, .200, .250, .300, .500, 1.000 & 2.000″.
• Optical flats for checking micrometer flatness are .500 & .5125″.
• Manufacturer’s calibration certificate included.
• Complete with fitted case.
• Shipping Weight: 1.9 lbs