Specification Binding : Misc. Brand : AB Tools Label : AB Tools-US Pro Manufacturer : AB Tools-US Pro MaterialType : Chrome Molybdenum Steel PartNumber : AU189 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/31MIXBCpJRL._SL75_.jpg SmallImage_Width : 75 Studio : AB Tools-US Pro Title : Imperial SAE Male Allen Hex Bit Sockets 1/4" 3/8" Drive 9pc Set 1/4" - 3/4"