This contact has a small, hardened roller 3/8 in (9.5 mm) in Dia for continuous gaging of moving material where the material movement is at a slow speed. Contact has #4-48 screw thread and substitutes for the regular contact point provided on Starrett® and other AGD indicators. Furnished with a knurled check nut for positioning the contact on the indicator spindle.

Starrett® Roller Contact Point, Indicator Contact Point, #4-48 Thread, For Use With: AGD Indicator