National Surgical Industries manufactures Screw Driver with PVC Insulation. National Surgical Industries also manufactures various types of surgical instruments. This Screw Driver has diameter ranging from 3.25 to 5 mm. The Screw Driver with PVC Insulation is used by electricians. This Screw Driver with PVC has length ranging from 100 mm to 300 mm. The quality, design, range, price and delivery of this Screw Driver is continuously upgraded for customer satisfaction