Specification Brand : Davis Label : Davis Sights Manufacturer : Davis Sights MaterialType : Stainless Steel PartNumber : 5166DLRGS ProductGroup : BISS Basic ProductTypeName : DIMENSIONAL_MEASUREMENT_CALIPER Publisher : Davis Sights Size : 6 to 7.9 Inches SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/31HcjZfAizL._SL75_.jpg SmallImage_Width : 75 Studio : Davis Sights Title : Davis Large Radius gage Set 5 1/16"-6"