International 24 x 1.750 x 12 Centerless/Cylindrical grinding wheel

Some recent internal cylindrical grinding auctions on eBay:

Heald model 74 internal ID grinder cylindrical

$8,000.00
End Date: Monday Dec-18-2017 7:36:28 PST
Buy It Now for only: $8,000.00
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Jackmill JMC 650 AGC universal cylindrical od grinder internal
$30,000.00
End Date: Tuesday Dec-19-2017 8:47:12 PST
Buy It Now for only: $30,000.00
Buy It Now | Add to watch list