Specification Brand : Electron Microscopy Sciences BulletPoint : When fitted to the 8X magnifier (68125) enables you to view and check the 35mm roll film while marking the desired frame by depressing the puncher (located on the side of the device). BulletPoint1 : Easy- Make easy electrophoretic mobility calculations BulletPoint2 : Re-usable- The phosphorescent emission of each ruler can be regenerated indefinitely and can be reused any number of times BulletPoint3 : High Resolution - Produces a high resolution image that is unaffected by intensifying screens or pre-flashed film. BulletPoint4 : 2 years free service guarantee BulletPoint5 : CE Approved CompatibleDevices : Camera ExposuresPerRoll : 100 ExternallyAssignedProductIdentifier1 : 0520361226234 ExternallyAssignedProductIdentifier2 : 520361226234 FilmColorType : Color FilmFormatType : 8x10 ItemName : Autoradiography Ruler, 4/PK ItemPackageQuantity : 4 ItemTypeKeyword : science-lab-autoradiography-supplies Manufacturer : EMS ModelNumber : 68126 NumberOfItems : 1 PartNumber : 68550-04 ProductDescription : Phosphorescent, Non-Radioactive Metric Rulers for Radiographs The Autoradiography Ruler Set (ARS) is an orientation and measurement device that exposes metric ruler markings directly onto X-ray film Ideal- Utilizes a specially formulated phosphorescent dye compound and a unique emission filter which serves as an ideal non-radioactive substitute for ink markings. ProductSiteLaunchDate : 2014-05-02T18:18:43.996Z RollQuantity : 1 Size : 4 PK