CRL 197" Electronic Measuring Rods Glass Abrasive Tools It is also suitable for

It is also suitable for varied manufacturing uses

­and Infrared Light­ Transmission ­and ­the­ "SHGC" (Solar­ Heat­ Gain Co-efficient)

and painted surfaces

A 6-1/4" (159 mm) minimum clearance is required from the end of your drill chuck to the actual drilling surface

to assure that the right tool is being used for the job

CRL 197" Electronic Measuring Rods Glass Abrasive Tools It is also suitable forBuilt in Electronic Memory Allows Storage of Measurement Values Basic Unit Stores 10 Measurements Optional Memory Module Stores Up to 511 Measurements The Electronic Measuring Rod is the easy, convenient, electronic measuring device that proves its worth in many ways, but most importantly by preventing human error. A built in electronic memory will store 10 measurements, and an optional push in memory module lets you store up to 511 measurements.