Porsche Design P3110 TecFlex Stainless Steel Gold Rollerball Pen 188521 Snake like TecFlex actually flexes when you activate or retract the ball pen point Test drive the Porsche Design for high performance and sensational writing The barrel is known for its high wear resistance and flexibility The finish is a fine weave of stainless steel and 14K gold plating Clips and trim are silver plated with palladium coating