Specifications:OOTDTY Material: Aluminium AlloyType: Vertical & Horizontal LasersMeasurement Model: 2 lines1mm @ 5MLength: 635nmSize: 60x40mm/2.36x1.57"Diameter: 5/8 inchQuantity: 1 PcNote:Please enable 1-3mm error because of guide measurement.pls ensure you do not mind before you bidDue to the adaptation between various monitors, the picture may not reflect the particular shade of the item.Thank you!No Retail PackagePackage Contents:1 Adjustment Bracket