Profile: Cosmos North America specializes in diamond polished wire guides and coil winding nozzles. Our wire guide nozzle in solid tungsten carbide nozzle features mirror finished wire entrance, and exit & bore surfaces. It eliminates insulation damages and is capable of being fabricated to complex geometries. Tube Guides can be used to guide the wire on the outside, or through the bore. U - guides are U - shaped stationary wire guides with recess on 2 sides for ease of attachment onto the machine. They confine or re-direct the movement of wires in a pre-determined path.