• Body Length: 4"

• Shank: 1/2" With Flats

• Flats On Shank Is Designed To Reduce Slippage In Chucks

• Extends Champion CT5 And CT7 Carbide Tipped Hole Cutters

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.