• Drive: 1/2" Square

• Length: 4"

• Shank: 5/16" Power Groove

• Use With Sockets For Fast, Easy Driving Of Nuts, Bolts And Hex Head Screws

• Adds Versatility To Any Power Drill By Converting It To A Socket Driver

• Fully Hardened And Tempered For Long Life Under Constant Use

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.