This 2 inch Boring Head comes with a Straight Shank and a Set of 9 Pcs of 1/2 inch Boring Bar. It is a great addition to your CNC, Metalworking & Manufacturing arsenal. The Boring Head & Adapters, Adapters & Holders, Toolholding, Workholding & Toolholding are all included in this package. It is perfect for your business & industrial needs.Please note that this product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. So, make sure to use it with proper precautions.