Specification Brand : WOODCRAFT BulletPoint : 10" Wing Compass Divider Caliper With Pencil Holder Metal Marking Circles Machinist Wood BulletPoint1 : 220mm when opened BulletPoint2 : Black gunmetal finish BulletPoint3 : Hand forged BulletPoint4 : Hot riveted box joint BulletPoint5 : Made to exacting standards in St. Etienne, France Color : Gold ExternallyAssignedProductIdentifier : 3307058005276 ExternallyAssignedProductIdentifier1 : 0608218298938 ExternallyAssignedProductIdentifier2 : 608218298938 ItemName : La Cible No. 8 Outside Caliper 220mm ItemPackageDimensions_Height : 0.65 inches ItemPackageDimensions_Length : 12.2 inches ItemPackageDimensions_Width : 6.15 inches ItemPackageQuantity : 1 ItemTypeKeyword : joint-calipers-and-dividers Manufacturer : ets Ledin Material : Metal ModelNumber : TBM067 NumberOfItems : 1 PartNumber : CD22008 ProductDescription : Antique Reproduced DRAFTING TOOL PROPORTIONAL DIVIDER SCIENTIFIC INSTRUMENT Brass 9 in. Proportional Divider This detailed item measures approximately 9 inches Point To Point and 3/4 inch wide. Among several functions, proportional dividers can be used to increase or decrease lengths of lines and diameters of circles, and can they be used to inscribe regular polygons within circles (dividing the circumference of a circle into equal parts). Fine piece of drafting equipment-very well made. The Proportional Divider is not just for architects...it's an invaluable tool for artists!; Heavy Brass/ Steel/ Adjustable. This detailed item measures approximately 9 inches Point To Point and 3/4 inch wide. Accuracy depends on person to person and not guaranteed ( for example if you do not have short end set at exactly 1 in and the long end set at 3 in you will not have a 3 in to 1 in ratio. ProductSiteLaunchDate : 2019-10-08T18:07:25.937Z Size : 9 inches SupplierDeclaredDgHzRegulation : not_applicable