Starrett 635N 150 Spring Tempered Steel Narrow Rule With Millimetre Graduations, 150mm Length, 4.8mm Width, 1.2mm Thickness

Regular steel finish Graduations: No. 35 - mm one edge and 1/2mm one edge on reverse Double row of millimetre figures, and each edge represents the bottom edge reading left to right (rules 25mm and wider) Narrow rule regular steel finish Measurement Graduations: 1 millimetres, 1/2 millimetres