["brand new and high quality\r\n\r\nInstructions:\r\n1. Place the adjustment ruler on the turntable shaft of the record player.\r\n2. Move the gauge and the arm to drop the stylus at point A.\r\nAdjust the angle of the for head so that the leading edge and the horizontal line on the scale are kept horizontal, which is more conducive to the mirror reflection.\r\n3. Move the gauge and the arm to drop the stylus at point B.\r\nCheck that the leading edge of the cartridge is square with the grid lines on the scale.\r\n4. Repeat steps 2 & 3 until a square is formed at two points. Simply loosen the screw to move the cartridge, and after tightening, tighten the cartridge fixing screw.\r\n\r\nFeatures:\r\nFeatures mirror surface with printed directions on back.\r\nClear and accurate calibration allows you easy to read data.\r\nHelps eliminate tracking errors, especially on the inner grooves of the record. \r\nEnsures proper cartridge alignment for optimal sound. \r\nWorks with any standard 1/2\" mounted cartridge from any brand.\r\nAdjustment Ruler only, other accessories demo in the picture are not included!\r\n\r\nSpecification:\r\nMaterial: Acrylic\r\nType: Accessories\r\nColor: As Pictures Shown\r\nDimenison: 157x35mm/ 6.18x1.38in\r\nQuantity: 1 Set\r\n\r\nNote:\r\n1.No retail package.\r\n2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 Pc x Adjustment Ruler\r\n1 Pc x Storage Box\r\n1 Pc x Cleaning Cloth"]