Weight is there for better steady of holding the pen. 3 distinct sides on this pen as well as broader clip to allow for an increased size of your logo. Black ink refill at 1.0mm.Shepherd Aluminium PenS$1.40PriceColorQuantitySelectContact us for enquiriesProduct Size1Wx 14.7H cm MaterialPlastic Printing Method Price quoted is exclusive of printing Subjected to change depending on artwork provided Sample viewing upon request