STARRETT, 0 in to 3 in Range, +/-0.001 in Accuracy, Dial Depth Gauge - 2ZUH2|644JZ - Grainger
Starrett Universal Dial Test Indicator Set with Back Plunger for Full Use - White Face, 0-100 Reading, 0-0.2" Range, 0.001" Graduation, 1/4" Shank Diameter for Mounting - 196A1Z: Test Indicators: Amazon.com: Industrial
Starrett - 0 to 1/2 Inch Range, White Dial Depth Gage - 58704511 - MSC Industrial Supply