1.Metal ball pen,different colors 2.Good quality,nice design,suit advertising and ... 3.Smooth writing,popular in many aera 1.Aluminum metal ball pen,ballpoint pen,roller ball pen2.Good quality,reasonable price,ideal for adversting and ... smoothly writing without leakage,non-toxic4.Refill tip size:0.5 or 0.7mm5.OEM is welcome6.Package:1pcs/opp 50pcs/box ...