KAISER 3.93 to 6.02 HIGH PRECISION FINE BORING HEAD with BT40 SHANK 10.310.617
Made by Big Kaiser Precision Tooling Inc. This is an Autobalance High Precision Fine Boring Head w/ BT40 Shank. Model #: 10.310.617. Boring Range: 3.93" to 6.02" (100mm to 153mm).
Maximum Operating Speed: 6,600 SFM. Comes exactly as shown in pictures.