Equip your semi truck to be Ready for the Road Ahead , with the 3M 2" x 150' Diamond Grade Conspicuity Tape, a key component that offers reflective surfaces for other drivers to see. This replacement tape helps vehicles meet DOT requirements for visibility by illuminating the outside of a vehicle when it is struck by light. Engineered with non-metallic materials to prevent rust and corrosion. FleetPride is your First Click in Heavy Duty .