/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Surface Gages / 57C * Not actual product image 50294 57C Full-sized Surface Gage 50294 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. 12" 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): 12" Spindle Length (mm): 300mm Base Size (in): 3-3/4 x 3-3/8" Base Size (mm): 95 x 85mm Parts Member of Kit Item #DescriptionPart No.QtyInformation 1BASE #57-1218016-01 2SPINDLE, #57CPT991241 3•SPINDLE, 12"01837-01 4•SCREW, .140-40 SLOT X .281 LONG01883-01 8ROCKER18010-01 9SPRING, .247X.357X1.00X.055X801870-02 10SCREW, .200-40 THUMB X .875 LONGPT082511 11ROC FULCRUM, .375-4018019-01 12PIN, BASE GUIDEPT018782 13WSHR,.250X.500X.03118018-01 14BOLT/SLEEVE, SPINDLE07801-01 15WSHR,.219X.744X.25001848-01 16WSHR,.202X.558X.06201882-1/21 17SPRING, .238X.324X.500X.043X401860-01 18NUT, .200-4001874-01 19SCRIBERPT165901 20SNUG ASSEMBLYPT187241 21•SNUG,SCRIBER18726-01 22•BOLT, SCRIBER #5718721-01 23•SLEEVE, SCRIBER18722-01 24•WSHR,.187X.471X.05018723-01 25•SPRING, .259X.315X.313X.028X301875-01 26•NUT, .187-3201854-01