Specification Brand : General Tools BulletPoint1 : Highly polished surface, Heavyweight, Rugged Design with Hardened Stainless Measuring Surfaces BulletPoint2 : Multi Function:Vernier Caliper can measure outside diameter, inside diameter, depth and step value of an exquisite item, a multifunctional tool for you. BulletPoint3 : To measure something that are not easy to be measured by straightedge, for measuring gemstones and other jewelry components. Scale marked in millimeter. BulletPoint4 : Mini size and light weight, it is portable and convenient to carry with. BulletPoint5 : Without electroplating process the ruler retains original nature and color. Color : As Shown ExternallyAssignedProductIdentifier : 5013035032002 ExternallyAssignedProductIdentifier1 : 769053107066 ExternallyAssignedProductIdentifier2 : 0769053107066 IncludedComponents : Caliper ItemName : General Tool 729 Pocket Caliper 0-4" Range #729 (42581) ItemPackageDimensions_Height : 1.2 centimeters ItemPackageDimensions_Length : 41.5 centimeters ItemPackageDimensions_Width : 13.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : vernier-calipers Manufacturer : General Tools Mfg Material : Stainless Steel MeasurementAccuracy : .0015"/ .03mm ModelNumber : 42581 NumberOfItems : 1 PartNumber : 729 PowerSourceType : Battery Powered ProductDescription : The #729 4 In. Steel Slide Caliper, 16ths and 32nds can make precise inside and outside measurements. Etched and filled graduations Polished stainless steel finish Decimal equivalents table on back ProductSiteLaunchDate : 2013-06-19T18:30:49.462Z Size : 4 to 4.9 Inches SupplierDeclaredDgHzRegulation : unknown