Specification Brand : Ametric® Label : American Metric Corporation Manufacturer : American Metric Corporation MaterialType : Alloy Steel Model : Standard DIN 808 NumberOfItems : 1 PartNumber : 1-052-SHS12X26 ProductGroup : BISS Basic ProductTypeName : UNIVERSAL_JOINTS Publisher : American Metric Corporation SmallImage_Height : 53 SmallImage_URL : https://m.media-amazon.com/images/I/41U7dzV4GxL._SL75_.jpg SmallImage_Width : 75 Studio : American Metric Corporation Title : SHS12X26 Ametric Metric Single Universal Joint, Standard DIN 808, 28 mm Outside Diameter, 56 mm Length, 12 mm Bore, No Keyway, Steel Construction, 13 mm Bore Depth,(Mfg Code 1-052)