This is the TS27R tungsten carbide stylus (not M4) #A-2008-0382. It is a tool datuming stylus fitted with a square tip, ground to ensure high squareness and parallelism.
Length (B) | 23.0 mm |
(A) | 3.925 mm |
(C) | 8.0 mm |
Disk Diameter (D) | 12.7 mm |
Mass | 12.1g |
Material | Tungsten Carbide |