This AlumiCutter is ideal for trimming, cutting and measuring with consistence and accuracy. Use safely with a craft blade, a razor, or rotary blade. It's made from quality aluminum for ultra smooth edges, with an anodized finish that gives you a satin-like feel. The photo-anodized calibrations are resistant to cleaners and will not rub off.Details:SilverAvailable in multiple sizesNon-slip backingRaised edge and finger groove protects your fingersMeasure and cut your projects with confidence