TC single action plier handle Lichtenberg needle holder with tungsten carbide inserts is used for suturing – most often in plastic surgery procedures. The straight sharp tips distinguish the Lichtenberg from the Zweifel and Elsberg-Mathieu. TC instruments are designed to stay sharp for a significantly longer period of time than other standard instruments. SMS permanently bonds tungsten carbide inserts to the instrument, which maximizes control and precision. TC instruments are identified by gold handles.