Radius Contact Point, Compatible with Brand and Series Starrett Series: 25, 81, 655, 656, 2700, 2900, 3900 Dial and Digital Indicators, Compatible with Manufacturer Model No. Starrett 2700, Starrett 2900, Starrett 3900, Starrett 655, Starrett 656, Starrett 81, Starrett 25, Contact Point Material Steel, Contact Point Shape Radius, Contact Point Thread Size #4-48, For Use With AGD Indicator, Includes Case No, Number of Pieces 1, Overall Length 2-3/8 in, Contact Point Tip Diameter 13/64 in
