Alumicolor AlumiCutter Aluminum Straight Edge w/Inch and Metric Calibrations for Office, School, Engineering Framing, 18IN, Silver

18"/45 cm LENGTH - Standard aluminum Straight Edge ruler with inches and metric calibrations is perfect for measuring, cutting, drafting and any craft project INNOVATIVE DESIGN - The raised edge and finger groove are designed to protect fingers while cutting with a hobby knife or rotary blade and ideal for any art project SILVER STRAIGHT EDGE RULER AND MEASURING TOOL - Our superior-quality silver extruded aluminum is imprinted using photo anodizing process that makes for a uniform finish and color, through this process calibrations become a permanent part of the aluminum and will not wear off over time DURABLE CONSTRUCTION WITH NON-SLIP BACK - Quality construction uses a recessed non-slip neoprene backing that keeps the Alumicutter in place with just a light touch ALUMICOLOR IS QUALITY - Each Alumicutter is made with the highest quality extruded aluminum and features photo adonized calibrations that won't rub off over time