Specification Brand : Ametric® Label : American Metric Corporation Manufacturer : American Metric Corporation MaterialType : Alloy Steel Model : Standard DIN 808 NumberOfItems : 1 PartNumber : 1-052-S18X37X6 ProductGroup : BISS Basic ProductTypeName : UNIVERSAL_JOINTS Publisher : American Metric Corporation SmallImage_Height : 49 SmallImage_URL : https://m.media-amazon.com/images/I/41k3kw0OQKL._SL75_.jpg SmallImage_Width : 75 Studio : American Metric Corporation Title : S18X37X6 Ametric Metric Single Universal Joint, Standard DIN 808, 32 mm Outside Diameter, 74 mm Length, 18 mm Bore, 6 mm Keyway, Steel Construction, 17 mm Bore Depth,(Mfg Code 1-052)