Since Brown & Sharpe micrometer depth gages are no longer in production, the Mitutoyo depth micrometer would be a good alternative.
Mitutoyo 128-105 (0-1" range) with 2.5" wide depth base … check availability and best price from Amazon
Mitutoyo 128-106 (0-1" range) with 4" wide depth base … check availability and best price from Amazon
Mitutoyo vernier micrometer depth gage
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