Brand name : JINHAO Length : 112 -114 mm , Tip :0.7 mm Refill : international standard Ink Color : Black Screw Type Pack of 10 refills Smooth rollerball tip creates consistent ink flow for smooth writing Compatible with Jinhao Push Type Rollerball Pen (not with jinhao Screw type roller ball pen ) ,duke ,baoer and fuliwen rollerball pen ( few of fuliwen and duke rollerball pen with refills shorter than 110mm does not fit these refills )