The Alvin Two-Face Inch Counter is a useful distance measuring tool for technical plans, drawings, blueprints, and many more. Its one side is equipped with a special dial for exact measuring of straight lines and curves. Functioning as a conversion tool, its pointer indicates traced distance in inches while the counter disk registers it in feet.
The second dial of this two-face inch counter measures distances on maps and plans with scales of ½-inch, ¼-inch, and 1/8-inch to a foot. It also counts the number of full pointer revolutions.
The Alvin Two-Face Inch Counter is functional and versatile. It includes a ring that can be easily attached to a chain or a belt loop to allow compact pocket use. This is to ensure convenience and portability in using this device. It also has a large diameter to allow easy and clear readout.