This set of pH papers covers the entire pH range from 0.0-14.0 offering the utmost value for its size. The set consists of seven single roll pH papers in protective plastic dispensers having a serrated edge to easily tear off the desired size paper and compactly assembled in a case. The wide range paper tests pH of 0.0-13.0. The short range papers have ranges of 1.0-2.5, 3.0-5.5, 6.0-8.0, 8.0-9.5, 10.0-12.0 and 12.5-14.0. Color charts specific for each roll are included and designed to show a sharp color change for each pH unit according to the paper's individual specifications. Length x Width(each roll): 180" x 7/32". Total pH Range: 0.0-14.0. 7/Set. Micro Essential Labs #: H-950.