Product description:
Straight styli are designed to inspect simple features where direct, unobstructed contact with a measured surface is possible.
Ruby is regarded as the industry standard for stylus tips. It is one of the hardest materials available and suitable for most applications.
Ruby provides a long life without wearing of the surface from abrasive materials.

Thread Size:M3
Stem Material:Stainless Steel
Ball Material:Ruby
Ball Diameter:5.0mm
Overrall Length:31mm
Effective Work Length:31.1mm
Stem Diameter:3.5mm
Package:1Pcs