• Female Thread: 1-1/4"-7

• Male Thread: 5/8"-11

• Material: Steel

• Use To Adapt 5/8"-11 Bits To Standard Thread Core Drill Machines

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.