1) Diameter: 50 - 700mm (2" - 28") 2) Length available: 48"/60"/72"/84"/96"/110" 3) Grade: RP, HP, UHP,SHP Features: 1) Diameter: 50 - 700mm (2" - 28")2) Length available: 48"/60"/72"/84"/96"/110"3) Grade: RP, HP, UHP,SHPSpecial length meets customers' requirement. Packing: wooden crates with steel strapsWooden crates treated with "IPPC" label. Graphite Electrode HP