Specification Brand : Tankredrug BulletPoint1 : Adopt flexible adjustment system, quick adjustment of interpupillary distance valve, and flip hinge adjustment, which can adjust various inclination angles, interpupillary distance, flexible operation, improve visual comfort, and adapt to various work needs; BulletPoint2 : Curved flexible frame design, Suitable for everyone to wear, improve comfort, and use it with a head strap for better results. BulletPoint3 : Improve the clarity of the user's vision, reduce the user's eye fatigue, and neck and shoulder pain caused by long-time bowing operations. BulletPoint4 : Binocualr dental loupes magnification: 3.5X ,Working Distance: 320-420mm.Depth of View: 80mm Field of View: 60mm. BulletPoint5 : Easy to carry and store: The magnifying glass can be folded and stored in a small size, which is convenient for you to carry and store when not in use. Color : Blue ExternallyAssignedProductIdentifier : 8460838025828 ExternallyAssignedProductIdentifier1 : 0091646345631 ExternallyAssignedProductIdentifier2 : 091646345631 ItemName : Tankredrug Blue Binocular Loupes Magnifier 3.5X Ultra-Lightweight Optical Lens Headband Glasses Loupes ItemPackageQuantity : 1 ItemTypeKeyword : professional-dental-and-surgical-loupes MagnificationStrength : 3.5 multiplier_x Manufacturer : Tankredrug MetalType : other ModelName : Binocular Loupes ModelNumber : TK-LSBL35F NumberOfItems : 1 PartNumber : TK-LSBL35F ProductDescription : Specifications: Magnification: 3.5X Depth of view: 80mm Field of view: 60mm Working Distance: 320-420mm Material of the Loupe Lens: optical glass Body material:ABS Size:20*15*7cm