Starrett Nos.58S Series Universal Snug
The 57S universal snug allows for the convenient attachment of scribers and test indicator shanks to surface gages, magnetic bases, indicator tool post holders and gage rods. It will fit all Starrett No. 57 and No. 257 Surface Gages and test indicator clamps and post holders. This snug will permit the use of all of Starrett test indicator Nos. 196, 564*, 650, 651, 708*, 709*, 711* and 811*. (*Snugs must be used with the proper indicator holder.)
Spindle hole diameters: 1/4″, 5/16″, 3/8″
Gripping hole diameters range from 3/32″ to 1/4″
Fit all Starrett No. 57 and No. 257 surface gages, test indicator clamps and post holders
Convenient attachment of scribers and test indicator shanks