High Quality 4mm Stackable Leads. Red 500mm Length. Schutzinger brand professional quality mm stackable test leads, utilising mm2 double insulated highly flexible PVC cable and terminated at each end with stackable mm plug.• Cable: 1.0 mm2 double insulated PVC • Plugs: Nickel plated brass body lamella basket spring• Plug length: 48 mm • Voltage: 33 AC 70 DC • Current (max): 16 A