NMC TM161K Traffic Sign, Chevron Arrow Graphic, 12" Length x 18" Height, High Intensity Prismatic Reflective Aluminum 0.080, Black On Yellow Chevron arrow graphic Made from rust resistant material Great for long-term outdoor use K suffix is 0.080 aluminum material with high intensity prismatic reflective face and has 2 center post holes Measures 12-inches length by 18-inches height