• Shank: 7/16"

• For Use With Champion PTC4 Diamond Multi Purpose Holesaws

• Only Use Pilot With Woods And Plastics, Do Not Use Pilot On Metals Or Tiles

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.