159M Screw Pitch Gauges 0.5-11.5mm

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.