Pro-Line Stop / Slow Paddles meet MUTCD requirements. Octagon shaped paddles are available silk-screened, or with Engineer Grade, High Intensity, or Diamond Grade Reflective Sheeting. Letter size: 8" for 24" Paddle, 6" for 18" Paddle. Pro-Line's Stop / Slow Paddles are ideal for school crossing guards, police, and plant security. Handle is included.