W1-3L Reverse Turn Left Sign Size:18" x 18" or pipe to 3/4" diameter

or pipe to 3/4" diameter

Includes one spacer

MUTCD Sign Designation: W10-4L

MUTCD Sign Designation: R12-1

This makes the bolt self-locking when placed through a square hole

W1-3L Reverse Turn Left Sign Size:18" x 18" or pipe to 3/4" diameterW1 3L Reverse Turn Left Sizes Available: 18" x 18" 24" x 24" 30" x 30" 36" x 36" MUTCD Sign Designation: W1 3L Traffic signs match MUTCD Highway Sign Standards. Signs are made with reflective sheeting applied to . 080" aluminum with rounded radius corners and pre punched 3 8" holes to meet Federal MUTCD, ASTM and ATSSA specifications. Aluminum: Aluminum is . 080 Aluminum #3105 H38 Alodine coated. Reflective Sheeting: 3M 3930 Series Type III High