PT-203 welding positioner with standard control box PT-204 welding positioner with digital control box Rotation speed A type: 0.3-4 rpm B type: 0.6-8 rpm C type: 0.8-12 rpm D type: 1-16 rpm 1. High frequency protected. 2. Machined "T" slots table with pilot and through hole. 3. High quality worm gear reducers for smooth operation and minimal backlash. 4. Free maintenance grounding system. *CE Conformity