The NEW model 49-87 Paper Thickness Micrometer combines a precision digital linear encoder measuring system with an ultra-clear, easy-to-read digital display. The unit can measure paper thickness in a range: 0-0.50 in. (0-12.7 mm) and is designed for thick materials such as corrugated, paper board, tissue paper, battery separators, plastic sheets and non-woven The motor-driven instrument utilizes the dead weight micrometer principle for high accuracy and repeatability. Each unit is designed and manufactured for very high precision.