Black Anodized Aluminium Pocket Rocket

The Fast and Easy way to measure diameters

This is a unique and useful outside diameter caliper that fits right into your pocket (3 1/2" X 7 5/8") 

Just set the backplate against a round object so that is touches at 2 contact points, then swing the movable arm until it also touches.

The "READ HERE" edge indicates the diameter

Only semi-circle exposure or less is required to indicate diameters.

Pipe sizes to 16" are displayed as well as fractional inch diameters from 1/16" to 16".

Included for easy reference is a fraction/decimal chart and a nominal size pipe diameter table.

When the swing arm is at the 180 degree position you also have a 14" ruler.

For use by engineers, draftsmen, pipe fitters, contractors, carpenters, sheet metal fabricators, inspectors, woodworkers, plumbers, etc. Anyone who needs to measure various diameters.

For more information please visit   http://www.newmantools.com/gauge/pr.htm