Specification Brand : AB Tools-US Pro Label : AB Tools-US Pro Manufacturer : AB Tools-US Pro MaterialType : Chrome Vanadium Steel PartNumber : AT143_5PK ProductGroup : Home Improvement ProductTypeName : FASTENER_DRIVE_BIT Publisher : AB Tools-US Pro Size : One Size SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41VVVAcRT1L._SL75_.jpg SmallImage_Width : 75 Studio : AB Tools-US Pro Title : 1/2" Drive Breaker Power Knuckle Bar Replacement Head Socket 5 Pack