• Thread: 5/16"-18

• Shank: 1/4" Hex Power Groove

• Overall Length: 2-9/16"

• Fits Directly Into Power Tool Without An Adapter

• Used To Drive Hanger Bolts Easily Into Wood Studs

• Reverse Drill To Remove Driver From Fastener

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.