Plastic Engraving LARGE tipARMOUR NDHand Tools for Engraving Plexiglass one each 26-0901 small plexi tip, 26-0902 medium plexi tip, 26-0910 shading plexi tip and 26-0950 blue holder26-090226-09021.96Etchworld.comhttps://www.etchworld.com/Item/26-0902