Mitutoyo 167 912 Micrometer Standard Set, 1 5", 5 Piece/Set

Amazon

Specially designed for the zero point setting of screw thread micrometers 1-5 inch Heat Insulating handle to prevent expansion due to body temperature

Radwell UK

MICROMETER CALIBRATION STANDARD SET ACCURACY UP TO 0.000012 INCH, FOR USE WITH OUTSIDE MICROMETER, INCLUDES CARRYING CASE, 1 TO 5 INCH LONG, 5 PIECE