“Go-No Go” snap gauges (Item 888) and progressive “Go-No Go” limit snap gauges (Item 889).

Rigid body in stabilised special steel. Case-hardened and tempered calibration sectors. Lapped surfaces.

Item 888: range Ø 3 to Ø 100 mm.

Item 889: range Ø 3 to Ø 205 mm.