Sheet, HDPE, Black, 1/16 In T, 12 x 48 In. Brand: POLYMERSHAPES. 5.0 out of 5 stars. 5 ratings. This fits your . Make sure this fits by entering your model number. The linear dimensions of our sheets are nominal and they have a tolerance of +-1/8" in each direction (length and width). 1/2 good quality high density plastic board seller-HDPE ...