Extensions can be added to both the 780XT and 78XT Series, enabling internal measurements in deep hole bores. (Multiple extensions can also be used.)
2.5" Length
Fetching product details
Description
The Starrett Internal Extensions for 78 Series Internal Micrometer includes 1/4-5/16" (6-8mm) sizes, 2.5" extension size, and fits models 78XT/780XT/781XT-312-375. Extension 2.5"/63mm Long for use with 78/780/782, 312-375.
Extensions can be added to both the 780XT and 78XT Series, enabling internal measurements in deep hole bores. (Multiple extensions can also be used.)
2.5" Length
Fetching product details
Description
The Starrett Internal Extensions for 78 Series Internal Micrometer includes 1/4-5/16" (6-8mm) sizes, 2.5" extension size, and fits models 78XT/780XT/781XT-312-375. Extension 2.5"/63mm Long for use with 78/780/782, 312-375.