... for moving and easy to use 2013 new touch pen round tip ,stylus pen for ipad Basic info1. Specification1)Pen Body Material ... )Closed Length: 140mm5)Pen Max. Diameter: 13mm6)Matching Models: iPhone, iPad, Samsung, HTC,Moto, or other touch screens.7)Surface process ... 2008, we have more than 5 years in worldwide business. New products constantly launch,welcome to learn more detailed info.