Swivel post snug with dovetail clamp for use with Starrett 708 709 and 811 series dovetail mount dial test indicators (not included)
Fits 3/32 to 1/4 Inch diameter spindles and posts
Knurled thumb screw provides secure grip when making adjustments
Also compatible with Starrett 252 series height transfer gauge 657 series magnetic base holders and the 1/4 Inch rod of the PT22430 snug and rod unit (not included)