• Overall Length: 7/8"

• Size: 5/16" Hex Socket

• Drive: 1/4" Square

• Ideal For Fast, Easy Driving Of Nuts, Bolts And Hex Head Screws

• Magnetic Socket Holds Fasteners Securely While In 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.