Flat Contact Points 3/8" Diameter 3/16" Long for Dial Digital Indicator Depth Gauge Thickness Gauge 4-48 UNF Thread (4-48UNF 3/8“ Diameter)

Fits Dial indicator dial thickness gauge depth gauge etc interchangeable tool.

Optimal for use on convex surfaces.

Thread shank 4-48 UNF, 3/8 inch diameter,3/16 inch long,Effective length is not include Thread shank Flat disc-type contact point is ideal for use with drop indicators in measuring soft materials like foam and plastics.