This Electrode holder is an open head 800 Amp electrode holder. It is the 'classic' electrode holder design for electrode holding, made of a glass fibre-reinforced plastic. This electrode holders is fully insulated. This Electrode holder is an open head 800 Amp electrode holder. It is the 'classic' electrode holder design for electrode holding, made of a glass fibre-reinforced plastic. This electrode holders is fully insulated. This Electrode holder is an open head 800 Amp electrode holder. It is the 'classic' electrode holder design for electrode holding, made of a glass fibre-reinforced plastic. This electrode holders is fully insulated. This Electrode holder is an open head 800 Amp electrode holder. It is the 'classic' electrode holder design for electrode holding, made of a glass fibre-reinforced plastic. This electrode holders is fully insulated.