Specification Brand : Davis Label : Davis Sights Manufacturer : Davis Sights MaterialType : Stainless Steel PartNumber : 4165LRGS ProductGroup : BISS Basic ProductTypeName : DIMENSIONAL_MEASUREMENT_CALIPER Publisher : Davis Sights SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/310SROgmr0L._SL75_.jpg SmallImage_Width : 75 Studio : Davis Sights Title : davis Large Radius Gage Set 4 1/16"-5"