The Excelta 159B-RTX is a pair of Replacement Carbofib™ Tweezers Tips. The 159B-RTX is a set of replacement tips for the 159B-RT Carbofib™ Tip Tweezers. This set contains two (2) Carbofib™ Tips and four (4) retaining screws. The Carbofib™ material is a Polymer-based material with 30% Carbon Fibers added, providing a conductive resistance of 10(2) ohms/sq. The Carbofib material offers very high rigidity, excellent tensile and flexural strength. This material also features fatigue and creep resistance and is temperature resistant up to 249°F (120°C). These tips are ideal for handling delicate, ESD sensitive items.