Universal electrode holder
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These versatile electrode holders are suitable for holding Carbon rod electrodes as well as metal strip electrodes. They are designed to fit over 100ml and 250ml glass beakers, being held in place by small plastic lugs to prevent them slipping off. Resistant to corrosion, they accept up to 8 mm diameter cylindrical (e.g. carbon) electrodes and 19mm wide, 0.8 mm (minimum) thick metal strip electrodes. The brass connectors also resist corrosion and are compatible with the usual 4mm stackable type lab leads. To tighten the carbon electrodes without crushing them, the setscrew is equipped with a stop.