The 2 roller entry monoblock guides type CM/B are made of a specially developed steel, suitable for the most severe and exacting conditions, and provide long service life under extreme conditions of impact, vibration, heat and corrosion. The bearings of the guides are lubricated by air-oil or grease, and cooling water is sprayed on the rollers and on the static guides through appropriate connections. These types of guides are suitable for driving products that reach high rolling speeds, up to 80m/s. The body undergoes a surface treatment that provides long service life preventing the formation of rust. All the rollers are submitted to a heat treatment that improves the resistance to bumps and their service life. A strong point of this type of guide is the possibility to assemble various roller heights on the same body replacing only the body roller holder. These guides are different from the basic version just for the centralized movement of the arms, in additions to the independent movement; this reduces the setting times.