Two Way Left Turn Only Sign Material:Diamond Grade 10+ If your highways have speed

If your highways have speed limits of 75 mph

Sizes Available: 18x18

If your roads or parking lots are designated at 20 mph

They make a great gift and are a huge hit

he will love it

Two Way Left Turn Only Sign Material:Diamond Grade 10+ If your highways have speedSize: 24x36 Use this sign with a post. We make all our signs from . 080 thick aluminum. Other companies use steel which rusts, plastic which cracks or warps, or a thinner gauge aluminum (. 060 or . 040) which bends or buckles. Material Details We use 3M reflective sheeting and 3M UV resistant inks. 3M offers the following on their sheeting: 3M 3400 Series Engineer Grade Prismatic (EGP): Rated for 5 7 year outdoor lifespan 3M 3930 Series High Intensity