3 mil thick (0.003 inch) Premium Vinyl Choose color, pattern, and roll size from drop-down menus  Often used for trucks, offical and emergency vehicles. Great for Auto Graphics, Decals, Signage and Lettering Up to 5 year Outdoor rating Adhesive coated on the back Made in USA can be cut with computer controlled cutters Gold large Engine Turn is the most popular of these patterns.  Most of the fire trucks in the US use this pattern for lettering.  It is very common on commercial trucks and vehicle. The small engine turn has 5/16 inch circles, the large engine turn pattern has 3/4 inch circles.