Kennametal KR32SVUBB2085M Romicron Fine Boring Head 6-25.5mm SVUBB2 Excellent. There are 3 available, 1 per order. One is missing a pull stud. These all have BT40KR32031M shanks which can be removed and replaced with the shank of your choice that has the KR32 CSMS system size. No other shanks are included.
All 3 that are available have smooth adjustments. Please review all photos to determine condition and identification.