Portescap manufactures Stepper Hybrid with Superior heat dissipation attributes. Portescap is certified I.S.O. 9001-2000 for quality management, received ISO 14001:2004 certification for environmental management, and ISO 18001:2007 certified. The stepper hybrid with superior heat dissipation attributes has frame sizes of 17, 23, and 34. It has improved torque performance and requires lower power consumption. The Stepper Hybrid with Superior heat dissipation Attributes provides superior micro stepping torque linearity.