Starrett gauge, 1-11.5 mm, screw pitch, 60 degree, 22 leaves

Description

Screw pitch gauges quickly determine the pitch of various external and internal threads. These gauges consist of a substantial steel case with a number of folding leaves at both ends, each leaf having teeth corresponding to a definite pitch.
International metric standard – 60° threads.
No. of leaves: 28.
Pitch range: 0.5 – 11.5mm.
Locking device and 60° gauge.