Measuring lead, at either end 4 mm diameter plug with caged spring and 4 mm diameter socket for tower construction. Nickel-plated copper beryllium contact spring. Highly flexible, double insulated stranded lead, grip and lead shatter-proof. Built in colour indicator for easy identification of insulation damages.

List of compatible systems und Product groups:

• 4 mm safety system / Clamp-type test probe
• 4 mm safety system / Test probes
• 4 mm safety system / Crocodile clips
• 4 mm safety system / Sockets
• 4 mm sliding sleeve system / Clamp-type test probe
• 4 mm sliding sleeve system / Test probes