National Seating Part Number: SK-1025-07 Back Adjust, grey knob. Please validate correct part number or call National Seating 1-800-459-7328 press 1 for Customer Service
National Seating Part Number: SK-1025-11 Back Adjust, black knob. Please validate correct part number or call National Seating 1-800-459-7328 press 1 for Customer Service