Specification Brand : Chicago Die Casting Label : Chicago Die Casting Manufacturer : Chicago Die Casting MaterialType : Zinc MetalType : Cast Iron Model : Zinc Die Cast NumberOfItems : 1 PackageDimensions_Weight : 0.94 PackageDimensions : L:3.75 X W:3.75 X H:2.00 PartNumber : 350VP5 ProductGroup : BISS Basic ProductTypeName : PULLEYS Publisher : Chicago Die Casting Size : 3.5 SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41eF8UgtrLL._SL75_.jpg SmallImage_Width : 56 Studio : Chicago Die Casting Title : 3-1/2" x 1/2 bore, Body and Ring, Variable Pitch, Chicago Die Cast Pulley, 100% Made in The USA! Weight : 0.9 WeightUnit : pounds