Product Name: Square RulerMaterial: MetalMeasure Range: Max:0-30cm / 0-12 inches,Min:0-20cm / 0-8 inches;Ruler Size: 30.5 x 20.5 x 0.2cm / 12" x 8.07" x 0.08" (L * W * Max.T )Color: Black; Weight: 222gL ruler is convenient for cutting, trimming, slicing and measuring on any material.Crafted with a durable, all metal design that resists cuts or nicks from even the sharpest cutting tools.That are to the millimeter, allowing you to measure even the cuts and trims.Acid etched measuring lines fade or wear easily.Package Contents:1 x Square RulerOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.