Specification Brand : Electron Microscopy Sciences BulletPoint : Scale, Crosslines BulletPoint1 : 78 mm (L) x 65 mm (W) x 6.5 mm (D) BulletPoint2 : The clear cover can be rotated smoothly through 360 degrees once the slight initial resistance of the park position has been overcome exposing a maximum of 2 or 3 diamond shaped slots at any one time BulletPoint3 : Cover has self-lubricating properties, which reduces friction, enabling the cover to move freely while remaining in close contact with the face of the base BulletPoint4 : The storage boxes are designed to be stacked, the base locating precisely over the face of another box ItemName : NE7 Graticule, 21 mm ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-carts Manufacturer : Electron Microscopy Sciences ModelNumber : 71136-12 NumberOfItems : 1 PartNumber : 68013-21 ProductDescription : Used as a horizontal and a vertical scale and especially useful in measuring samples with different axis. Horizontal micrometer scale 10mm long with crosslines at 0.1 mm spacing, surface chrome image ProductSiteLaunchDate : 2014-05-02T18:20:28.423Z Size : 12 BX Style : SB50N