Compatible with Renishaw, Not original
Specification
Thread Size:M2
Ball material:Ruby
Stem material:Stainless steel
Ball dia.   mm (in.):3.0 (0.12)
Length mm (in.):20.0 (0.79)
Stem dia.   mm (in.):1.5 (0.06)
EWL mm (in.):17.0 (0.67)
Package:1pc