Big Blue Safety Ruler

Made with a heavy duty aluminum construction No unfinished edges means no black marks on your fingers or graphics Polished and anodized finish that leaves no fingerprints Permanent blue finish that is easy to spot in any environment Non-slip grip on the bottoms keeps the rulers firmly in place while marking or cutting Built-in curved finger guard offers maximum protection from knife misuse and slips Laser etched graphics and measurement notches for permanent lifelong use