W9 Lanrui 20A 1000V High Pressure Strong Conductivity Multimeter Pen ,Universal Replaceable Pen Tip Universal Pointer Lead Probe Wire Pen Cable Tools. Features test leads with interchangeable tips. Product Information Brand: Lan Rui Star Brother Model: W9 Multimeter Pen Key Features: Universal Compatibility: Works with most multimeters on the market via a standard 4mm right-angle jack. Replaceable Tips: Comes with interchangeable titanium alloy nibs for versatile use and longevity. High Precision: Ultra-sharp probe tips are ideal for measuring small electronic components and fine circuits. Durable and Safe: Features double-layer insulation, a pure copper core for high conductivity, and a break-proof design with reinforced tail connections. High Voltage Rating: Rated for up to 2000V (random testing up to 2500V).