Specification Brand : Durston Tools BulletPoint1 : Ring Stretcher / Reducer BulletPoint2 : Max diameter ring that the ring stretcher will go to is approx 25mm (ring size 16) BulletPoint3 : Reduce bands up to 12mm Color : Grey CompatibleMaterial : Aluminum Alloys, Stainless Steel, Glass, Wood, Stone, Plastics, Composites, Metals, Rubber, Titanium, Bronze, Cast Iron, Brass, Platinum, Zirconium, Ceramic, Fiberglass, Carbon Steel, Leather CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 0640823617179 ExternallyAssignedProductIdentifier2 : 640823617179 ItemName : Durston Tools Durston Tools 1301 Upright Ring Stretcher/Reducer, Grey ItemPackageQuantity : 1 ItemTypeKeyword : jewelry-sizers-and-mandrels Manufacturer : Durston Tools ModelName : Upright Ring Stretcher ModelNumber : 1301 NumberOfItems : 1 PartNumber : 1301 ProductDescription : Ring Stretcher / Reducer from Durston Tools. Durston Tools’ design expertise brings you a high precision ring stretcher/reducer to ensure exceptionally accurate ring sizing. The heavy-duty cast iron construction gives you real durability and strength. Features include a six spline mandrel with 16 polished countersunk dies enabling you to reduce bands up to 12mm, while specially designed gear reduction ensures effortless forming. ProductSiteLaunchDate : 2023-12-12T00:03:56.093Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 54100000 WarrantyDescription : No