Art.889 – Progressive snap gauges Go-NoGo

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“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.