• Three 45 minute arc vials 0, 45 and 90 degree; v-groove design for pipe and conduit mounting; portable and durable compact design; powder coated for a more durable finish; waterproof and shock resistant; easy to read graphics with inch scale; full view 0d • degree oversized vial and full view vial top view; has four powerful rare earth magnets mounted to the bottom. • Lgth In=8-1/2