Check the listing for details. 15pc Precision Boring Tool Co 5228911 Micro Cutting Tool Carbide NEW. Condition: New – Open box. Listed at 50.00 USD. Part Number: 5228911. 15pc Precision Boring Tool Co. Micro Cutting Tool loc: SR GG1. No warranty beyond that. I have made an honest and fair evaluation of this item, but I am only human. I do miss things occasionally, and if it is not as I have represented it, I certainly will do what I can to "make it right".