Solid aluminum body with CNC (Computer Numerical Control) machined edges for greater accuracy and durability. Low-glare, protective anodized finish. EZ Read laser etched graduations and numbers are highly visible. Thick edge is useful as a saw guide. Continuous scribing notches are ideal for rip cuts. Low glare, E-Z Read protective anodized finish with 1/8" scale. Marking lines for 45 deg (degree) miter cuts.