6 Piece Set.
Knurled handled, locking nuts, and automatically self-centering plungers, constant spring tension for uniform contact pressure.
Quick inside measuring of holes,cylinders and bores.
Indirect measurement by outside micrometer.
Contents: 8-12.7, 12.7-19, 19-32, 32-54, 54-90 and 90-150mm.
This product was added to our catalog on Sunday 16 October, 2011.