3M(TM) Safety-Walk(TM) Conformable Tread 510, Black Roll, 6 in x 60 ft, 1 per case High-friction, slip-resistant material has a special aluminum backing that conforms around corners and adheres to irregular surfaces. Black, 6 in X 60 ft, 1 per case. High-friction, slip-resistant material has a special aluminum backing that conforms around corners and adheres to irregular surfaces. Applications: diamond grade safety plates, steps and ladder rungs. Heavy equipment and vehicles. Available in custom sizes and with custom adhesives.