This is a Digimatic Universal Protractor with data output that offers you the following features:- It has an easy-to-read digital display.- It automatically turns off after 10 minutes, and gives you fixed reference points for easy adjustment.- You can slide and clamp the measuring blade over the entire length.- You can make fine adjustments to precisely adjust arbitrary angle dimensions.- It comes with a mounting facility on height gauges and tracers of series 192 via holder.