**Feature** Nib Size : 18kgp M， Cap : Screw type Take Cartridge : International standard ( Fit the Jinhao cartridges in our store ) Capped length 156mm， Posted length 183 mm ， Diameter 13.5mm & pen weight 90g Package : One pen with gift box & one removable converter (work with all bottle ink ) 100% brand new JINHAO， a world famous brand， its writing instruments successfully absorb the excellent domestic and international culture tradition. The ingenious creativity ， advanced machine manufacturing and exquisite hand-making skills make it a well-known brand in the world.