... class 10-1000 5.no contaminat fall esd tweezer, antistatic plastic tweezer, conductive tweezer plastic tweezer with Surface-resistance of 10e3 to 10e6 Ohmesd ... tweezer, antistatic plastic tweezer, conductive tweezerSurface resistance: 10e3 to 10e6 ΩMade of carbon fiber ... precision electronic components and other special application ESD cleanroom steel tweezer