The SCF-502 Sunnen Dial Bore Gauge Setting Fixture from Goodson features a heavy stress-relieved cast iron base, lapped carbide micrometer anvils and built-in magnifier for fast, accurate set-up. Each setting fixture includes a master calibrating ring. This model combines a large micrometer head and 4 lapped setting standards covering a continuous range from .054" to 2.0" in .0001" increments. This setting fixture can use use inside or outside of the case.

CF-540 Size Setting Adaptor (sold separately) centers gauge probes between parallel reference surfaces. Use with the SCF-502 Setting Fixture.