SPI Shallow-Test Gage - 30-639-9

• Perfect for Accurate Measurement of Shallow Bores, Outside Diameters, Slots and More.
• Modular design maximizes measuring range, minimizes cost.
• Works with most brands of test indicators (not included).
• All wear surfaces hardened and precision ground.
• Easy to set up using gage blocks, ring gage or qualified part.
• Includes a hardened tool steel contact pin and hex keys.
• Handy storage case included.
• Specifications: Internal Range 2" to 12.1", External Range 1.95" to 12.05", Contact Pin Hole Distant .25" Typ., Depth Range .05" to .50", Fine Adjustment .40".

MSC02099935