Metal Lapel Pin - 4x4's, Truck, Tractor & Bus Pin & Emblem - Big Rig - Cabover Semi Pewter Lapel Pin Great for T-shirts, Hats, Jeans, Shorts, Luggage, Backpacks and Sweatshirts. Approx. Size 1"-1/8" Use this Pin to add to the appeal of clothing, uniforms, or luggage. Easily customize anything to create your own personalized look.