CMM Touch Probe Stylus for Tormach Renishaw 
Ruby provides a long life without wearing of the surface from abrasive materials.
Specification
Thread:M2
Ruby Head Diameter:3mm(0.1181 in)
Length:20mm(0.7874 in)
Probe Tip Diameter:1.5mm(0.0591 in)
Effective length:17.5mm(0.689 in)
Material:Stainless steel stem
Package:1*Touch Probe