Calculated Industries 6025 Scale Master Pro Digital Plan Measurer 1991 quick release to prevent jams

quick release to prevent jams and an adjustment for tightness and depth of clinch

Boost (button)

Timestretch

It may fit other years as well but you will need both the left and right curved pieces to go with it

Calculated Industries 6025 Scale Master Pro Digital Plan Measurer 1991 quick release to prevent jamsSpecifically designed to simplify takeoffs from architectural and engineering drawings, the Scale Master Pro finds linear measurements of any shape as well as rectangular areas and volumes and it converts between scales and dimensions. It comes with 72 built in scales (39 U. S. and 33 metric for maximum versatility). It also features six custom scales (three each for U. S. and metric units), enabling you to define any scale, even from plans that have