Overview Reviews Product Description Staedtler Permanent Marker Special Black Box of10 are for special applications such as coated surfaces, nano coatings, optical glass, laboratory glass, silicone and laminating film. Adheres to many special surfaces which other markers do not. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Staedtler Staedtler Permanent Marker Spec Black Box 10 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments