2017 NEC Upgrade Chip for 5070 ElectriCalc Pro GCM12SD so you can store and

so you can store and always bring your reference guide with you

including its right angle features

Hole Diameter in Concrete-Core Bit: 4-1/8"

And the last button is for audio on/off button

It uses powerful rare-earth magnets to pinpoint the exact location of hidden electrical boxes in sheetrock

2017 NEC Upgrade Chip for 5070 ElectriCalc Pro GCM12SD so you can store andThis Calculated Industries 2017 NEC Upgrade Chip for 5070 ElectriCalc Pro updates the calculator to the newest NEC Codes. Your calculator will support NEC Code years 1996 through 2017. Your calculator will continue to be fully updateable to future code changes. There is one change in the 2017 NEC Code that impacts the functionality of your ElectriCalc Pro Model 5070. Installing the new chip and setting the calculator to NEC 2017 will make it fully