400mm x 600mm Big J Pro Metric Aluminum Framing Square CM10GD Double insulated

Double insulated

Service MinderTM light — indicates when preventative maintenance is required

999 feet or inches

The GLS115 is made of steel and is compatible with Leica GMP111

It has a multi-shape locator to make it easy to trace the exact outline of electrical boxes – regardless if they are octagonal

400mm x 600mm Big J Pro Metric Aluminum Framing Square CM10GD Double insulatedThe Johnson Level 400mm x 600mm Big J Pro Metric Aluminum Framing Square features an aluminum body that will not rust or corrode. It comes in 600mm x 50mm body, 400mm x 38mm tongue that is 3mm thick. It features an EZ Read thermal bonded numbers and graduations in two millimeter increments. Ideal for framing and laying rafters in metric measurements, this Johnson Level 400mm x 600mm Big J Pro Metric Aluminum Framing Square includes metric rafter