COBALT Sucker Rod Guides look different because they are ... in many ways.
> ARPMAX “Self-Lubricating” Abrasion Resistant Polymer
> Advanced Hydrodynamic Design (Patented)
> Turbulence Stabilization (Patented)
> Thermally and Mechanically Stable
> Resiliently Deformable
> Downhole Wear Detection Technology (Patented)