Japanese type Welding Holder,Weld Holder,300A,500A,800A 1.Material of ... glass fiber. 2.Jaw:brass or iron Japanese type Welding Holder,Weld Holder,300A,500A,800A1.Material of handle:Nylon ... requirements of the international markets,we also manufacture other types welding holders,such as Korean type,Germany type,American type, ... Province,China 321300 300A-500A Japanese type Electrode Holder/Welding Plier