Double Arrow Horizontal/Straight Route Marker Sign sign bracket Other speed limit choices: 05

Other speed limit choices: 05  10  15  25  30  35  40  45  50  55  60  65  70  75

this post driver is up to the task

Ask for square back plate if you intend to mount brackets to a flat surface

Heavy duty ratchet type strapping tool

080 aluminum

Double Arrow Horizontal/Straight Route Marker Sign sign bracket Other speed limit choices: 05Size: 21x15 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 Prismatic (HIP):