Specification Brand : Starrett BulletPoint1 : Transfer arm for transfer measurements in awkward places where it is necessary to move the legs after they have been set to size BulletPoint2 : Adjusting screw permits fine adjustment for very accurate measurements BulletPoint3 : Knurled adjusting nut allows for final adjustment after the legs have been set to approximate size and the joint has been locked BulletPoint4 : Spring washer under the disc to maintain proper tension of legs when joint is loosened BulletPoint5 : Curved tips to transfer the measurement of the internal size of an object Color : Factory ExternallyAssignedProductIdentifier1 : 049659502503 ExternallyAssignedProductIdentifier2 : 0049659502503 ExternallyAssignedProductIdentifier3 : 00049659502503 IncludedComponents : Central Tools - Caliper Sprng Id 6In (6527) ItemName : Starrett 37-12 Lock-Joint Transfer Type Inside Caliper, With Fine Adjustment, 12"/300mm Leg Length ItemPackageDimensions_Height : 3.81 centimeters ItemPackageDimensions_Length : 34.798 centimeters ItemPackageDimensions_Width : 4.318 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : joint-calipers-and-dividers Manufacturer : Starrett Material : Alloy Steel ModelNumber : 37-12 NationalStockNumber : 5210-01-435-7046 NumberOfItems : 1 PackageLevel : unit PartNumber : 37-12 ProductSiteLaunchDate : 2010-07-30T00:00:01-00:00 Range : 0-12"/0-300mm Size : 12"/300mm Leg Length Size1 : 6 to 7.9 Inches Size2 : 4 to 4.9 Inches Style : Lock-Joint SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 27112100