12"PRO ALUM.LASER ETCHED SRAFTER SQ.EASY READ TRIPODS-TRANSITS & LEVELS The Reducing Coupling allows you

The Reducing Coupling allows you to connect two male-ended pipes of differing diameters

Universal Smoke Sensing Technology detects fast flaming fires and slow smoldering fires while microprocessor intelligence virtually eliminates nuisance alarms for the perfect two-in-one home safety protection

It is excellent to be used on wood surfaces including floors

Self-Grounding

<C> 12"PRO ALUM.LASER ETCHED SRAFTER SQ.EASY READ TRIPODS-TRANSITS & LEVELS The Reducing Coupling allows youTo develop one of the world's best rafter squares, Johnson first had to engineer the EZ Read finish, its revolutionary anti glare protective coating that diffracts sunlight rather than reflecting it, so it looks as crisp in full sun as it does in the shade. The EZ Read finish also increases friction to better secure your square against your lumber when using it as a saw guide. The Johnny Square is highly durable and accurate. Its solid aluminum body