flat handle, jaw surfaces impregnated with fine tungsten carbide dust, straight w/ lock (use w/ 5-0 & smaller sutures) Titanium Jacobson Micro Needle Holder with Streamlined Box Lock is designed for use in cardiothoracic surgical procedures that require more precise hold and control of a needle, to be used with 5- and smaller sutures. This instrument features a flat handle for ease in handling as well as jaw surfaces impregnated with fine tungsten carbide dust that reinforce the strength of the metal. These needle holders are manufactured with a lightweight, titanium alloy body which offers certain advantages over stainless stell such as being half the weight as well as offering a more tactile feel with minimal fatigue making it the ideal choice for the operating room. This instrument is available in two lengths 7.25" and 8.5".