Product Description Depth Marker-Ceramic 6" Blk/Wht Smooth, 3 1/2 with FT. Product Videos Custom Field Product Reviews Write a Review Write a Review × Depth Marker 3.5FT Smooth Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *