Starrett 661 Mini Magnetic Indicator Holder with 3/8 Stem or STD Dovetails, 1. 180 Base Diameter x 1 Base Height, 4. 173 Overall Height

Starrett Mini Magnetic Indicator Holder, High Holding Force, Simple & Versatile, Easy Positioning, Compact Design - 661

Starrett Universal Dial Test Indicator Set with Back Plunger for Full Use - White Face, 0-100 Reading, .200" Range, 0.001" Graduation, 1/4" Shank Diameter for Mounting - 196B1

Starrett Universal Dial Test Indicator Set with Back Plunger for Full Use - White Face, 0-50-0 Reading, .200" Range, 0.001" Graduation, 1/4" Shank Diameter for Mounting - 196A5Z