Dia.: 40mm, 45mm 100mm Dia.: 122mm, 150mm to 500mm Length: 0.7 - 1.4metre Length: 1.5metre, 1.8metre,2.2metres to 2.4metres We are a prefessional manufacturer who can supply large quantity & many kinds of specifications of graphite electrode as follows:Diametre: 1.) 40mm, 45mm, 50mm, 55mm to 100mm. 2.) 150mm to 500mm (RP)Length: 1.) 0.7metre to 1.4metre. 2.)1.5metre, 1.8metre, 2metres to 2. ...