... For corporate gift 4.Wear-resisting high quality carbon fiber roller ball penModel No.: TTX-A03BR1) Pen ... 13.5 (L) * 1.3 (D)2) Unit weight: Ball pen: 27g/pc; Roller pen: 38g/pc3) ... 20--22 days6) Material: Stainless steel & carbon fiber7) Feature: carbon fiber stylus pen with Normal writing, imported ink ... Iphone or Ipad, wooden pens, bamboo pens, carbon fiber pen, leather pens, Ceramic pens, plastic pens ...