Specification Brand : Climax Metal Color : Black Label : Climax Metal Products Manufacturer : Climax Metal Products MaterialType : steel MetalType : Alloy Steel PartNumber : NA ProductGroup : BISS Basic ProductTypeName : NUTS Publisher : Climax Metal Products SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/41OaOLg3HkL._SL75_.jpg SmallImage_Width : 75 Studio : Climax Metal Products Title : Set Screw Collar GSC-Series - GSC Series, One Piece - Solid, Steel - ASTM A108, Plain, 1.3750 in ID, 2.1250 in OD, 0.7500 in Wide (Pack of 10)