Pen material: steel rod plastic fittings Pen size: 14*1CM Pen weight: 15g Refill: Germany imported pen writing is smooth. Can write 500 meters long, refill can be stored for one year without water. Black refill. Can be customized blue refill Pen color: black (large amount can be customized) Logo: Customizable company advertising logo. Color can be customized according to color card number