/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Surface Gages / 57A * Not actual product image 50292 57A Full-sized Surface Gage 50292 Other similar products Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. 9" Spindle. Features Specifications Parts Contact Starrett Features Full-size surface gage with attractive finish Two frictionally held gage pins in the steel base which can be pushed down and used against the edge of a surface plate or T-slot for linear work Specifications Spindle Length (in): 9" Spindle Length (mm): 225mm Base Size (in): 3 x 2-9/16" Base Size (mm): 75 x 65mm Parts Member of Kit Item #DescriptionPart No.QtyInformation 1BASE #57-918015-01 2SNUG ASSEMBLYPT187181 3•SLEEVE, SCRIBER18722-01 4•SNUG,SCRIBER18720-01 5•BOLT, SCRIBER #5718721-01 6•NUT, .187-3201854-01 7•WSHR,.187X.471X.05018723-01 8•SPRING, .259X.315X.313X.028X301875-01 9SPINDLE, #57APT991221 10•SPINDLE, 9"01834-01 11•SCREW, .140-40 SLOT X .281 LONG01883-01 12SLEEVE, SPINDLE COMP07800-A1 13•BOLT, SPINDLE #57-907800-01 14•WSHR,.188X.682X.18701847-01 15•WSHR,.157X.432X.06201882-01 16•SPRING, .178X.248X.500X.035X401859-01 17•NUT, .157-4001873-01 18SCRIBERPT165891 19ROCKER18009-01 20SPRING, .205X.291X.875X.043X701869-02 21SCREW, .157-40 THUMB X .750 LONG08254-01 22ROC FULCRUM, .312-4018011-01 23PIN, BASE GUIDEPT018772 24WSHR,.188X.437X.03118012-01