Specification AgeRangeDescription : Adult Brand : AISITESY BulletPoint1 : [CLEAR LENSES] Trial Lens Set are made of high quality material, solid and reliable quality, durable and can meet the needs of long-term use. BulletPoint2 : [LENS PROTECTION] The refractive case can always keep the clarity and transparency of the lenses, which is more convenient for you to use than the wooden case. BulletPoint3 : [Complete Set] This is a set of professional audition lenses, including spherical and cylindrical lenses. The tryout lenses are made of high quality metal and optical glasses, very strong and durable. BulletPoint4 : [METAL RINGS] A set of 68 trial lenses with precise degrees and perfect appearance on both sides of each handle. BulletPoint5 : [Package Contents] 68 Glass Lenses, 1x Aluminum Case, 36.5mm/1.44'' (OD 38mm/1.5''); Package Size: 26cm x 25cm x 7cm (10.2'' x 9.8'' x 2.8''); Package Weight: 1.435kg/3.2lbs. Color : Gadolinium CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Craft IncludedComponents : 1*Trail Len set ItemForm : Element Cube ItemName : AISITESY Optical Trial Lens Set 68 Pcs Optometry Kit Metal Rim Case Kit Set Optometry Optician Test Aluminum Case Optometry Optical Instrument ItemPackageDimensions_Height : 10 millimeters ItemPackageDimensions_Length : 100 millimeters ItemPackageDimensions_Width : 70 millimeters ItemPackageQuantity : 1 ItemShape : Cube ItemTypeKeyword : science-classroom-optics-kits Manufacturer : JINGYU ManufacturerMinimumAge : 18 Material : Gadolinium ModelName : ST01 ModelNumber : PSK-Gd 0.39 NumberOfBoxes : 1 NumberOfItems : 68 PackageLevel : unit PartNumber : AISITESY-JS-68 ProductDescription : Specifications: Model: AISITESY JS-68 Material: Glass + Aluminum + Copper + Fabric Box Color: Silver Power Ranges/Concave Spherical Lens: 0.25 ~ 4.00 Power Ranges/Convex Spherical Lens: 0.25 ~ 4.00 Power Ranges/Concave Cylinder Lens: 0.25 ~ 5.00 Accuracy: 0.25D Inner Lens Diameter: 1.4'' Outer Lens Diameter: 1.5'' Package Size: 10'' x 10'' x 3'' Product Weight: 3 lbs Shipping Weight: 4 lbs Package Includes: 28 x Concave Sphere Lenses 28 x Convex Sphere Lenses 12 x Clinder Lenses 1 x Carrying Case ProductSiteLaunchDate : 2024-08-27T07:00:00.000Z SafetyWarning : For Display Decor SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudienceKeyword1 : Unisex Adult TargetAudienceKeyword2 : Unisex Children TargetAudienceKeyword3 : Men UnspscCode : 41120000